Wyoming Fossil Sites

Location County State/Province Directions,Notes Age Formation Fossils Comments Reference Lat-Long
Bone Cabin Quarry Albany WY Dinosaur Bones WY0001 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Como Albany WY 800m SE of UP Como RR station Jurassic Morrison reptile bones WY0002 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Como Bluff Albany WY Trigonia — many dinosaur fossils WY0003 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Como Bluff Albany WY Cretaceous Wall Creek Sandstone Shark Teeth-Carcharhinus,Scapanorhynchus WY0004
Como Bluff Albany WY Various quarries–Aurora,Aurora-3,Cope-5,Marsh-13 Jurassic Morrison Crocodiles-Goniopholis;Dinosaurs-Allosaurus,Apatosaurus,Camptosaurus,Paurodon,Stegosaurus;Pterosaurs-Dermodactylus;Squamata-Cteniogenys,Paramacellodus;turtles-Glyptops;Mammals-Archaeotrigon,Miccylotyrans,Psalodon,Paurodon,Tinodon WY0005 This item combines a bunch of poorly defined sites over an exposure area of a number of kilometers. I have listed some better defined sites–Bone Cabin Quarry,Marsh Quarry-4,9,and Chuck’s Prospect separately. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Como Bluff Albany WY near Bone Cabin Quarry Jurassic Sundance vertebrates-Ophthalmosaurus WY0006 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Como Bluff-Bone Cabin Albany WY Quarries at Como Bluff near Bone Cabin/Bone Cabin RR station Jurassic Morrison crocodiles-Goniopholis;dinosaurs-Allosaurus,Apatosaurus,Camarasaurus,Diplodocus,Ornitholestes,Stegosaurus;Squamata-Cteniogenys;turtles-Dinochelys,Glyptops WY0007 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Como Bluff-Chuck’s Prospect Albany WY 400m from junction (of what?) with the Little Medicine Bow River–S side of 1st draw N of Bone Cabin Quarry — SE1/4S9T??R21E Jurassic Morrison crocodiles-Goniopholis;dinosaurs-Amblotherium,Nanosaurus;mammal bones;Squamata-Cteniogenys,Paramacellodus;turtles-Glyptops?;mammals-Dryolestes WY0008 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Como Bluff-Delta T Quarry Albany WY 3.6km W of Marsh Quarry-9 –on N slope of Como Bluff Jurassic Morrison turtles-Dinochelys WY0009 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Como Bluff-Marsh Quarry 9 Albany WY NW1/4E1/4S16T??R?? –near Foot Creek Lake Jurassic Morrison Amphibians-Anura;Crocodiles-Goniopholis;dinosaurs-Allosaurus,Othnielia;mammals?-Amblotherium;Sphenodontida-Opisthias;Squamata-Dorsetisaurus,Paramacellodus;turtles-Dinochelys,Glyptops;Mammal-Araeodon,Comotherium,Docodon,Dryolestes,Laolestes,Melanodon… WY0010 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Como Bluff-Reeds Quarry Albany WY At Six Mile Gulch–William Reed had a number of Quarries at Como Bluff Jurassic Morrison dinosaur bones-Allosaurus,Camarasaurus;pterosaurs-Dermodactylus WY0011 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Como Bluffs Quarry Albany WY Como Station is no longer in existence but the ‘bone house’ still existed as of 1982 (Fossils Quarterly Winter 82-83). Few bones to be found in bluff or float. Original quarry was S of depot. Jurassic Morrison Dinosaurs –Allosaurus. WY0012 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Como-Nine Mile Quarry Albany WY Jurassic Morrison dinosaurs-Apatosaurus WY0013 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Little Medicine Bow River Albany WY Jurassic Sundance vertebrates-Ophthalmosaurus WY0014 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Nine Mile Crossing Albany WY on Little Medicine Bow River Como Bluff invertebrates WY0015
Wymore[?] Albany WY Jurassic Sundance Crinoid columnals WY0016 Wymore seems to be in Nebraska 480 kilometers from the Wyoming line,but that seems too far East for Sundance Formation
Basin Big Horn WY Eocene Willwood mammals -Phenacodus WY0017 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Big Horn Basin Big Horn WY At Cedar Point Quarry Paleocene Fort Union vertebrates-turtles-Palatobaena WY0018 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Big Horn Basin Big Horn WY In badlands Eocene amblypods – Phenacodus,Oxyaena,Champsosaurus,perissodactyls,artiodactyls WY0019 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Big Horn Basin Big Horn WY In badlands Eocene amblypods – Phenacodus,Oxyaena,Champsosaurus,perissodactyls,artiodactyls WY0020 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Big Horn Mountains Big Horn WY in cliffs below WY330 at Greybull turnoff fish fragments WY0021 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Burlington Big Horn WY 16.5km E Eocene Willwood Crocodile bones;Turtle bones WY0593 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cedar Point Quarry Big Horn WY Paleocene (Tiffanian) Polecat Bench vertebrates-Carpodaptes,Phenacolemur,Plesiadapis WY0023 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cedar Point Quarry Big Horn WY Paleocene Upper Fort Union Mammal Fossils WY0024 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Coon Creek Big Horn WY Eocene Willwood Crocodile-Allognathosuchus WY0025 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cottonwood Canyon Big Horn WY E of Lovell Devonian Lower Beartooth Butte Cardipeltis WY0026
Cowley Big Horn WY NE in Cretaceous Cody Shale cephalopods,worm tubes,pelecypods WY0027
Coyote Creek Big Horn WY Eocene Willwood mammals-Bunophorus,Diacodexis,Hapalodectes,Hyopsodus,Phenacodus WY0594 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Creek Big Horn WY In Big Horn Basin Eocene Gray Bull vertebrates-Allognathosuchus,Diatryma WY0029 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Dorsey Creek Big Horn WY Eocene Wasatch (WY) Mammals-Esthonyx WY0030 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Dorsey Creek Big Horn WY At head of creek Eocene Willwood mammals-Diacodexis,Didymictis,Hyracotherium,Phenacodus,Proviverra WY0031 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Dorsey Creek Big Horn WY At lower forks of creek Eocene Willwood mammals-Diacodexis,Hapalodectes,Hyracotherium,Miacis,Microsyops,Palaeosinopa,Paramys,Vassacyon,Vulpavus WY0032 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Dry Creek Big Horn WY Eocene Wasatch (WY) turtle fragments WY0033 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Dry Creek Big Horn WY Eocene Willwood mammals-Hyrachyus,Hyracotherium,Palaeosyops WY0034 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
East Elk Creek Big Horn WY Eocene Willwood Turtle-Baena WY0595 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Elk Creek Big Horn WY Eocene Willwood mammals-Proviverra,Vassacyon WY0036 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Elk Creek Big Horn WY At Dry Camp (no 5),1.6km N Eocene Willwood Crocodile-Allognathosuchus WY0037 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Elk Creek Big Horn WY Head of creek Eocene Willwood mammals-Didymictis,Hyracotherium WY0038 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Elk Creek (YPM356) Big Horn WY Eocene Willwood Mammal Fossils WY0039 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Elk Creek Bluff Big Horn WY Eocene Willwood mammals-Diacodexis,Hyracotherium WY0040 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Elk Creek South Big Horn WY 3.2 km N of Camp 4 Eocene Willwood crocodiles-Allognathosuchus;mammals-Cantius,Didymictis,Ectoganus,Ectocion,Franimys,Haplomylus,Hyopsodus,Hyracotherium,Oxyaena,Palaeosinopa,Paramys,Phenacodus,Prodiacodon,Prolimnocyon,Prototomus,Proviverra,Taeniolabis,Tetonius,Thryptacodon,Viverravus,Vulpavus WY0041 CAUTION:Collecting vertebrate material in the US requires landowner or government permission W.N.Orr Handbook of Oregon Plant and Animal Fossils
Fifteen Mile Creek Big Horn WY Eocene Willwood mammals-Bunophorus,Cantius,Diacodexis,Didymictis,Hyopsodus,Microsyops,Oxyaena,Phenacodus,Prototomus WY0042 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Five Mile Creek Big Horn WY Various localities at head of Creek and 25.6,19.2,17.6,9.6 km from mouth Eocene Willwood Crocodiles-Allognathosuchus;Birds-Palaeophasianus;mammals-Cantius,Diacodexis,Didymictis,Esthonyx,Hyopsodus,Hyracotherium,Microsyops,Oxyaena,Pachyaena,Paramys,Phenacodus,Proviverra,Pseudotomus WY0043 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Greybull Big Horn WY Cretaceous Cody Sandstone Parapuzosia WY0044 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Greybull Big Horn WY Eocene Willwood Squamata-Glyptosaurus WY0045 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Greybull Big Horn WY Jurassic Morrison plant fossils WY0046
Greybull Big Horn WY 32 km NE in Beaver Creek Valley Jurassic Morrison Tempskya fragments,dinosaur bones and gastroliths WY0047 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Greybull Big Horn WY 40km NE at Howe Ranch Quarry Jurassic Morrison Dinosaurs-Barosaurus WY0048 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Greybull Big Horn WY At Red Gulch (no collecting) Jurassic Abundant dinosaur tracks WY0049
Greybull Big Horn WY NW in sheep River anticline in redbeds Triassic Chugwater pelecypods WY0050
Greybull Big Horn WY NW on Sheep Mountain Rd E of Oil Gulch on Rt 310. Jurassic Sundance Cephalopods,pelecypods,Gryphaea,crinoids WY0051
Greybull Big Horn WY NW on Sheep Mountain Rd E of Oil Gulch on Rt 310. 1 km off Rt310. In Cretaceous Mowery Shale fish,fish bones,scales WY0052
Greybull Big Horn WY NW on Sheep Mountain Rd E of Oil Gulch on Rt 310. Dinosaur bones in Jurassic Morrison ? WY0053 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Greybull Big Horn WY SE in Cretaceous Cody Shale cephalopods,worm tubes,pelecypods WY0054
Greybull River Big Horn WY Eocene Wasatch (WY) Mammals-Phenacodus WY0055 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Greybull River Big Horn WY Eocene Willwood mammals-Coryphodon,Diacodexis,Dissacus,Hyracotherium,Miacis,Phenacodus,Vulpavus WY0056 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Greybull Valley Big Horn WY Lower part of valley Eocene Willwood mammals-Diacodexis WY0057 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Hyattville Big Horn WY along flanks of Big Horn Mountains Cretaceous various dinosaurs,belemnites,ammonites,cephalopods,gastropods WY0058 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lost Cabin Big Horn WY Eocene Willwood mammals-Diatryma;Squamata-Melanosaurus,Saniwa WY0059 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lost Cabin Big Horn WY 11.2km E: Eocene Willwood bird bones WY0060 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lovell Big Horn WY 32 km N at Tillet’s TX Ranch at E end of Pryor Mountains on Montana border Jurassic-Cretaceous corals,Belemnites,cephalopods,gastropods WY0061 see http://www.txranch.com/
Lovell Big Horn WY 40 km E at Indian Medicine Wheel near crest of Medicine Mountain in Limestone along Ridge corals WY0062
Lovell Big Horn WY 5-10 km SE and to the S along Sheep Mountain uplift in low level washes and gullies Belemnites,cephalopods,gastropods,ammonites WY0063
Lovell Big Horn WY In badlands between Sheep Mountain and Big Horn Mountains dinosaurs,ammonites,cephalopods,Belemnites WY0064 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lovell Big Horn WY S in Cedar Hills invertebrates WY0065
Lovell Big Horn WY WY14 to foot of Big Horn Mountains at Rainbow Canyon shark teeth,trilobites WY0066
Lovell Big Horn WY at Sheep Mountain Exogyra,belemnites,starfish,brachiopods,gastropods WY0067
Lovell Big Horn WY in Gumbo Hills reptile teeth,shark teeth WY0068 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lovell Big Horn WY on W14 Animal tracks in Sandstone Cretaceous Lower Cloverly sandstone ? WY0069
Medicine Wheel Big Horn WY in Ordovician (Upper) beds on S and E sides of bluff running E from Hunt Mountain opposite Wallrock Canyon. S of WY14 between Burgess Junction and Medicine Wheel. Ordovician Upper crinoids (Ectocrinus,Dendrocrinus,Culupocrinus,Macrostylocrinus) and brachiopods. WY0070
Otto Big Horn WY 6.4km N Eocene Wasatch (WY) Fish-Amia WY0071 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Otto Big Horn WY Elk Creek Camps-Dry Camps — a set of quarries in the Elk Creek area extending over several kilometers Eocene Wasatch (WY) Bird-Palaeophasianus;Crocodiles-Allognathosuchus;Mammals-Cantius,Hyracotherium;Turtles WY0072 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Otto Big Horn WY S Eocene Gray Bull vertebrates-Squamata-Melanosaurus WY0073 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Otto Big Horn WY various localities 3.2-8km S Eocene Willwood bird bones;crocodile teeth;mammals-Arfia,Coryphodon,Diacodexis,Didymictis,Esthonyx,Hyopsodus,Hyracotherium,Microsyops,Mesonyx,Miacis,Oxyaena,Palaeosinopa WY0074 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Red Gulch Big Horn WY Near Shell in Sundance equivalent rocks Jurassic Sundance? Tracks of Jurassic Dinosaurs WY0075 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Shell Big Horn WY W along US14 Jurassic Morrison|Cloverly dinosaur bone fragments WY0076 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Shoshone River Big Horn WY Probably multiple localities-one is 4.8km S Eocene Willwood mammals-Arfia,Cantius,Coryphodon,Diacodexis,Didymictis,Ectocion,Esthonyx,Hyopsodus,Hyracotherium,Oxyaena,Phenacodus,Proviverra;Turtles-Echmatemys WY0077 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Snyders Ranch Big Horn WY Eocene Wasatch (WY) Mammals-Esthonyx,Hyopsodus WY0078 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
South Elk Creek Big Horn WY Eocene Willwood Squamata-Melanosaurus WY0079 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
St Joe Big Horn WY area exposures E,S,SW (3.2kmE,3.2kmS,4.4kmS,3.2kmSW,4.4kmSW,6.2kmSW) Eocene Willwood mammals-Cantius,Diacodexis,Hyracotherium,Phenacodus,Prototomus WY0080 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Tatman Mountain Big Horn WY Eocene Willwood Anaptomorphus WY0596 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Tatman Mountain Big Horn WY at W end Eocene Wind River Squamata-Melanosaurus WY0082 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Tenmile Creek Big Horn WY Eocene Wasatch (WY) Crocodiles;Turtles-Echmatemys WY0083 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Tenmile Creek Big Horn WY Probably several localities–one at head of creek and possibly also on the North Fork Eocene Willwood crocodile-Allognathosuchus,Orthogenysuchus;mammals-Cantius,Diacodexis,Didymictis,Ectocion,Ectoganus,Esthonyx,Hyopsodus,Hyracotherium,Paramys,Phenacodus,Prolimnocyon,Proviverra,Vassacyon,Viverravus;Squamata-Melanosaurus WY0084 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Torchlight-Oregon Basin Big Horn WY pelecypod Pholadomya WY0085
Whistle Creek Big Horn WY At head of creek and possibly elsewhere in area Eocene Willwood mammals-Cantius,Hyopsodus,Hyracotherium,Oxydactylus,Palaeosinopa,Paramys WY0597 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Greybull Valley Big Horn? WY In lower part of valley Eocene Willwood Squamata,Crocodiles-Allognathosuchus WY0087 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Pumpkin Buttes Campbell WY At Middle Pumpkin Butte Oligocene Chadron Turtles-Stylemys WY0088 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Carbon WY nw1/4s24t19nr90w Cretaceous Upper Inoceramus,Pholadomya,Astarte,Protocardia,Legumen,Polinices,Baculites WY0105 Montanan Faunal stage
– Carbon WY s35t19nr86w Cretaceous Upper Montanan[?] Inoceramus,Pteria,Baculites WY0106 Montanan refers to a subset of the Cretaceous including several marine and near shore formations
Baggs Carbon WY Area exposures-Hilltop Quarry(32km N 1km ENE of Jct WY789-Muddy Creek. Includes Sad Quarry,Swains Quarry ) SE1/4NE1/4S3T15NR92W ) in same region Paleocene Fort Union vertebrates-fish-Acmeodon,Amia,Litomylus,Mimotricentes,Platacodon;turtles-Adocus?,Compsemys,Hoplochelys?,Plastomenus,Plesiobaena;reptiles-Champsosaurus,Allognathosuchus,Pristichampsus,Scapherpeton,Habrosaurus,abundant crocodile teeth;Squamata-Dunnophis?.. WY0089 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cathedral Bluffs Carbon WY Eocene Wasatch (WY) Mammals-Absarokius,Didelphodus WY0090 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Chicken Spring Carbon WY 55 km SW of Rawlins in s20t18nr19 Pleistocene Mastodon,Clovis artifacts WY0091 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Dad Carbon WY Area exposures-e.g. 8.8km N Paleocene Fort Union vertebrates-crocodile teeth and scutes WY0092 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Dad Quarry Carbon WY Eocene Wasatch (WY) turtle fragments WY0093 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Eaton Pit Carbon WY Eocene Wasatch (WY) Crocodiles-Allognathosuchus;Mammals-Mysops,Paramys WY0094 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Laclede Carbon WY Probably Fort Laclede Eocene Bridger Crocodiles-Crocodylus;mammals-Palaeosyops,Paramys,Trilophus,Tetheopsis WY0095 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Little Medicine Bow River Carbon WY 48 km N of Medicine Bow Petrified forest WY0096
Medicine Bow Carbon WY 32 km N in area exposures Cretaceous Pholadomya,Pleuromya,Tancredia,Camptonectes,Volsella,Meleagrinella,Ostrea,Oxytoma,Pachyteuthis,well preserved brittle stars (Amphiura). WY0097 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Medicine Bow Carbon WY 50 km N on road to Douglas Petrified Wood WY0098
Medicine Bow Carbon WY 8 km E in Flat Top Anticline Jurassic Morrison Pachyteuthis,Ostrea,Meleagrinella. fish scales,fish vertebrae,Oxytoma,Trigonia,Camptonectes WY0099
Medicine Bow Mountains Carbon WY Precambrian Stromatolites WY0100
Rawlins Carbon WY NE of town on SE flank of Rawlins Uplift Cretaceous Cloverly Shale typical faunas. WY0101
Rhoads Pit Carbon WY Eocene Bridger Squamata WY0102 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Rhoads Pit Carbon WY Eocene Wasatch (WY) Mammals-Knightomys,Microparamys,Paramys,Sciuravus,Thisbemys WY0103 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Saratoga Carbon WY To N Petrified Wood WY0104
Washakie Basin Carbon? WY Eocene Laney fish-Astephus WY0107 Not entirely clear what is meant by Washakie Basin. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Converse WY Area exposures Cretaceous Lance dinosaurs-Edmontosaurus,Tyrannosaurus WY0127 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Douglas Converse WY Oligocene White River mammal bones WY0108 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Douglas Converse WY 10.5km SE. 1.2km SE of old Brooks Ranch House Oligocene Chadron Reptiles-Rhineura WY0109 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Douglas Converse WY 11km SE on N side of US20 Oligocene Chadron Reptiles-Parophisaurus WY0110 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Douglas Converse WY 13km S Oligocene Brule mammals-Hesperocyon,Hyaenodon,Hypisodus,Ischyromys,Leptomeryx,Mesohippus,Miniochoerus,Miohippus,Paradjidaumo,Parastenopsochoerus,Platyochoerus,Pseudocyclopidius,Stenopsochoerus WY0111 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Douglas Converse WY 17.5km SE. 4km SE of Irvine Bridge over Platte River Oligocene Chadron Reptiles-Glyptosaurus,Helodermoides WY0112 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Douglas Converse WY 3km S of Tenmile bridge over Platte River Oligocene Chadron Reptiles-Helodermoides WY0113 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Douglas Converse WY 5.3km SE on N side of Platte River at Wulff Ranch Oligocene Chadron eggs,wasp burrows,reptiles-Aciprion WY0114 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Douglas Converse WY 5.6km E on N side of North Platte River on Wulff Ranch Oligocene White River Turtle-Stylemys WY0115 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Douglas Converse WY 9.6km SE Oligocene Chadron Reptiles- WY0116 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Douglas Converse WY 9.6km SE Oligocene Chadron Reptiles-Parophisaurus WY0117 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Douglas Converse WY W at Flagstaff Rim Oligocene Chadron Mammal Reference Location WY0118 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Douglas Converse WY possibly 4.8km S Miocene (Arikareean) Monroe Creek mammals-Euhapsis,Hadroleptauchenia,Palaeocastor,Pseudocyclopidius WY0119 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Glenrock Converse WY Cretaceous Lance Dinosaurs,microfossils WY0120 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Laramie Peak Converse WY Oligocene White River Turtle-Stylemys WY0121 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Morton Ranch Converse WY Oligocene White River mammals-Leptomeryx WY0122 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Old Woman Creek Converse WY Oligocene White River Turtles-Stylemys WY0123 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Reno Ranch Converse WY Oligocene White River mammals-Dinictis,Eumys,Hesperocyon,Hyaenodon WY0124 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Silver Ranch Converse WY Oligocene Chadron reptiles-Aciprion WY0125 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Tower Converse WY A at Reno Ranch Oligocene Brule mammals-Hesperocyon,Miohippus,Palaeolagus,Prosciurus WY0126 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Crook WY Scales. External plates of very early fish in Cambrian Upper rocks of Cook County,WY Fish scales-Anatolepis WY0130
Belle Fourche River Crook WY in road cut on Meike (Everson) Ranch Road NE1/4S5T54NR64W Jurassic Sundance fish body impressions,bones,teeth,scales-Hulettia,Occithrissops WY0128 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Hulett Crook WY 10.4km N on former Earl Wilson Ranch. E of Stock Pond Jurassic Sundance fish body impressions,bones,teeth,scales-Caturus,Hulettia,Hybodus,Lepidotes,Occithrissops WY0129 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Fremont WY Area exposures-Bison Basin,Ledge Location,Hunter’s Quarry-Saddle Locality,Toms Location Paleocene Fort Union vertebrates-mammals-Apatemys,Arctocyonoides,Barylambda,Bisonalveus,Caenolambda,Didelphimorphia,Ignacius,Litomylus,Nannodectes,Palaechthon,Pararyctes,Phenacodus,Phenacolemur,Picrodus,Plesiadapis,Plesiolestes,Pronothodectes,Thryptacodon,Tricentes;Reptiles WY0178 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Badwater Creek Fremont WY Eocene Wind River mammals-Hyracotherium,Macrotarsius WY0131 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bargee Fremont WY Permian Park City bivalves-Pseudomonotis WY0132
Barrel Springs Fremont WY Eocene Wind River mammals-Anisonchus,Baioconodon,Choeroclaenus,Conacodon,Eoconodon,Loxolophus,Oxyclaenus WY0133 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Beaver Creek Fremont WY On West Branch of Beaver Creek Eocene Bridger vertebrates-Hyrachyus WY0134 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Beaver Creek Fremont WY Probably multiple sites including area around mouth of Big Sand Draw Eocene Wind River crocodile fragments;mammals-Hemiacodon,Microsyops,Notharctus;Squamata WY0135 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Beaver Creek Fremont WY W Eocene Wasatch (WY) turtle fragments WY0136 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Beaver Divide Fremont WY Eocene Wiggins mammal-Protoreodon WY0137 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bison Basin Fremont WY in clay beds Paleocene Upper Fort Union Fairly abundant Tiffanian leaf fossils from a few species:Corylites,Archeampelos,Metasequoia,Fortuna WY0138 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Blue Holes Canyon Fremont WY Permian Park City bivalves-Aviculopecten,Polidevcia WY0139
Buck Springs Fremont WY Eocene Wind River mammals-Didymictis,Lambdotherium,Paramys;Squamata-Paraglyptosaurus;turtles WY0140 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bull Lake Fremont WY SE of Dubois in cherty gray limestones Permian Phosphoria Myalina WY0141
Cottonwood Creek Fremont WY Eocene Wind River Crocodile fragments WY0142 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cottonwood Draw Fremont WY Eocene Wind River bird bones;mammals-Absarokius,Anemorhysis,Cantius,Copelemur,Didymictis,Esthonyx,Hapalodectes,Heptodon,Hyopsodus,Hyracotherium,Microparamys,Microsyops,Paramys,Phenacodus,Prodiacodon,Prototomus,Tubulodon,Uintacyon,Vulpavus;Squamata-Melanosaurus;Turtles-Echmatemys,Hadrianus? WY0143 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Davis Draw Fremont WY Eocene Wind River vertebrates-Sciuravus WY0144 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Devils Gap Fremont WY Oligocene White River Turtles-Stylemys WY0145 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Devils Gap Fremont WY 12.8 km N Oligocene White River Turtles-Stylemys WY0146 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Dinwoody Canyon Fremont WY Permian Park City bivalves-Cyrtorostra,Obliquipecten WY0147
Dubois Fremont WY 10 km N Petrified forest WY0148
Dubois Fremont WY SE along Wind River around US287-US26 junction Petrified wood WY0149
East Fork Basin Fremont WY In bone bed in green,cliff-forming,tuff Eocene Teepee Trail Squamata WY0150 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Hailey Fremont WY Oligocene White River Mammals-Cylindrodon WY0151 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Hailey Fremont WY 8km E Oligocene White River Mammals-Cylindrodon WY0152 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Indian Meadows Fremont WY Eocene Indian Meadows vertebrates-mammals-Haplomylus,Hyopsodus WY0153 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lander Fremont WY 6.5 km NW on N side of Baldwin Creek in S9t133nr100w Cretaceous Lower Cloverly Shale fossils WY0154
Lander Fremont WY W at Baldwin Creek Triassic Popo Agie Dinosaurs-Eupelor WY0155 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lander Fremont WY in area exposures Triassic Reptile remains WY0156 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Little Dry Creek Fremont WY Permian Park City bivalves-Myalina WY0157
Lost Cabin Fremont WY 11.4-12.8km E–Lost Cabin Type Locality Eocene Wind River crocodile bones and teeth;mammals;turtles-Echmatemys WY0158 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lost Cabin Fremont WY 4.8km E Eocene Wind River mammals-Cantius,Didymictis,Hyracotherium,Lambdotherium,Mesonyx,Paramys;turtles WY0159 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lost Cabin Fremont WY 8km E Eocene Wind River mammals-Prolimnocyon WY0160 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lost Cabin Fremont WY Lysite Member,E along Alkali Creek Eocene Lower Bridger? 37 Species of mammals WY0161 Lysite member belongs to Wind River Formation? CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lost Cabin Fremont WY Lysite Member,E along divide between Alkali Creek and Poison Creek Eocene Lower Bridger? 37 Species of mammals WY0162 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lysite Fremont WY Eocene Willwood Crocodiles,Squamata-Melanosaurus,Turtles WY0163 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lysite Fremont WY Eocene Wind River Mammal Fossils WY0164 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lysite Fremont WY 8 km NW along Cottonwood Creek for at least 3 km Eocene Lower Bridger? 37 Species of mammals WY0165 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lysite Fremont WY 9.4km N–‘Lysite Locality’ Eocene Wind River crocodile-Diplocynodon;turtles-Echmatemys WY0166 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Muddy Creek Fremont WY Eocene Wind River Crocodile teeth;mammals?;turtle-Hadrianus WY0167 CAUTION:Collecting vertebrate material in the US requires landowner or government permission.
Riverton Fremont WY Regional exposures over 100 km in area between US26 and US287 in NW,SE trending belt Eocene Eden Valley? ? WY0168
Sand Draw Fremont WY W Part of Beaver Divide 12.8km S of Sand Draw Oil Fields in Fremont County,WY,near Wagon Bed Spring s34T32NR95W mammals and mollusks WY0169 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Shoshoni Fremont WY Lysite Member,in Badwater Creek drainage near S end of Big Horn Mountains Eocene Lower Bridger? 37 Species of mammals WY0170 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Shotgun Fremont WY Paleocene Upper Fort Union Mammal Fossils WY0171 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
South Fork Canyon Fremont WY Permian Park City bivalves-Aviculopecten WY0172
South Pass Fremont WY at Red Canyon Eocene Eden Valley Petrified wood WY0173
South Pass City Fremont WY 10 km S Eocene Eden Valley Petrified Wood WY0174
Warm Springs Canyon Fremont WY Brachiopods Billingsella WY0175
Washakie Reservoir Fremont WY Permian Park City bivalves-Acanthopecten,Aviculopecten,Limipecten?,Cyrtorostra,Girtypecten,Streblochondria WY0176
Wind River Mountains Fremont WY in road cut on W side on road S from Gypsum Creek Road w1/2s20e138nr109w Cretaceous Lower Cloverly invertebrates WY0177
– Fremont,Sublette WY 40km SE On Beaver Creek in Wind River Mountains on W side of Horseshoe Canyon NE1/4S15T30NR97W Permian Park City bivalves-Kaibabella,Schizodus,Astartella,Oriocrassatella WY0179
Lander Fremont? WY At Mt Arter SEC25T33NR1W Permian Park City bivalves-Paraschizodus WY0180
– Goshen WY Area exposures — Albin 11.2km N;Bear Mt,Horse Creek Basin,E of Tremain Miocene Gering vertebrates-mammals-Palaeocastor,Pseudocastor,Pseudocyclopidius WY0200 Albin and Tremain are in Laramie Cy. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Goshen WY NE Miocene (Arikareean) Marsland mammals-Euhapsis WY0182 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Goshen WY NE Miocene (Arikareean) Marsland mammals-Merychyus,Phenacocoelus,Tomarctus WY0188 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
66 Mountain Goshen WY S side Oligocene Brule mammals-Agriochoerus,Leptauchenia,Mesocyon,Sespia,Thinohyus WY0181 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Goshen Hole Goshen WY Artiodactyl Site Oligocene Chadron vertebrates-Dinictis,horses,Leptomeryx,Parvitragulus WY0183 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Goshen Hole Goshen WY At Manganese Pocket Oligocene Chadron mammals-Agriochoerus,Bathygenys,Camelids,Daphoenus,Eotylopus,Hesperocyon,Hyaenodon,Hypertragulus,Hyracodon,Lagomorphs,Leptochoerus,Leptomeryx,Mesohippus,Oreonetes,Parvitragulus,Poebrotherium,Pseudoprotoceras,rodents,ruminants WY0184 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Harney Creek Goshen WY Oligocene Chadron vertebrates-Trigonias WY0185
Hawk Springs Goshen WY At 66 Mountain Miocene Harrison Vertebrates-Miotylopus WY0186 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Huntley Goshen WY Cretaceous Oyster reef WY0187
Lusk Goshen WY Area exposures 28.4-40km SE Miocene (Arikareean) Marsland mammals-Adilophontes,Cynarctoides,Daphoenodon,Kalobatippus,Phenacocoelus,Procynarctoides,Promartes,Stenomylus,Tomarctus WY0189 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Raw Hide Creek Goshen WY Miocene Harrison mammals: Promartes WY0190 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Rawhide Buttes Goshen WY E Miocene Harrison(Arikareean) vertebrates-mammals-Promerycochoerus WY0191 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Spoon Butte Goshen WY area exposures Miocene Harrison(Arikareean) vertebrates-mammals-Euhapsis,Menoceras,Temnocyon,Tomarctus WY0192 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Three Tubs Goshen WY Oligocene Brule mammals-Cormocyon,Leptauchenia WY0193 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Torrington Goshen WY S in extensive badlands Oligocene Upper Brule Mesohippus WY0194 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Veteran Goshen WY Oligocene Chadron fish fragments WY0195 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Windmill Draw Goshen WY Miocene (Arikareean) Marsland mammals-Daphoenodon WY0196 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Yoder Goshen WY Mammal Fossils WY0197 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Yoder Goshen WY nearby W of pipeline and electric wires at dump on canal Oligocene Yoder turtle-Stylemys WY0598 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Yoder[?] Goshen WY In dump along canal Eocene Chadron Mammal Reference Location WY0199 Apparently a garbled reference to the Oligocene Yoder formation of Wyoming. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Owl Creek Mountains Hot Springs WY Precambrian-Cenozoic fossils WY0201
Thermopolis Hot Springs WY NE on WY120 in area exposures invertebrates,some invertebrates. WY0202
Bozeman Johnson WY Powder River Local Fauna Eocene Wasatch (WY) Crocodiles-Allognathosuchus WY0204 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Buffalo Johnson WY 30 km E along Crazy Woman Creek N of I90 Petrified wood. WY0205
Buffalo Johnson WY W at Dull Knife reservoir ammonites,corals WY0206
Buffalo Johnson WY along both sides of WY16 gastroliths,petrified wood WY0207
Buffalo Johnson WY head West on Rt. 16 to Hazelton Rd. Turn south and drive past the Dull Knife Reservoir to the first dirt road. [?] WY0208
Crazy Woman Creek Johnson WY Crazy Woman Petrified Forest opalized and silicified wood WY0209
Dry Well Johnson WY Eocene Wasatch (WY) Crocodiles-Allognathosuchus;Mammals-Arfia,Cantius,Haplomylus,Hyopsodus,Hyracotherium,Microsyops,Palaeosinopa,Paramys,Phenacodus,Phenacolemur,Prodiacodon,Prolimnocyon WY0210 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Monument Blowout Johnson WY 8km ‘beyond’ Schoonover Bridge over the Powder River — Schoonover Bridge,Johnson,Juniper Draw,unknown Eocene Wasatch (WY) Crocodiles-Allognathosuchus;Mammals-Anemorhysis,Didelphodus,Didymictis,Homogalax;Turtles WY0211 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Reclusa Blowout Johnson WY In Powder River Basin Eocene Wasatch (WY) Crocodile-Allognathosuchus;Mammals-Apheliscus,Arfia,Cantius,Ectocion,Esthonyx,Haplomylus,Homogalax,Palaeosinopa,Paramys,Phenacodus,Phenacolemur,Prodiacodon,Prolimnocyon WY0212 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Wood’s Locality Johnson WY Eocene Wasatch (WY) Mammals-Arfia,Apheliscus,Cantius,Didelphodus,Haplomylus,Hyopsodus,Leptacodon,Microsyops,Paramys,Phenacodus,Prodiacodon,Prolimnocyon WY0213 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Johnson,Sheridan WY brachiopods Dicellomus WY0214
– Lincoln WY Between Bell and Little Muddy creeks in diverse strata in Paleocene Evanston insects and mammals WY0255 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Lincoln WY S27T22nr117w Split Fish Layer,Fossil Butte Member also S16 and S22 Eocene Green River Fossil Fish. WY0256 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Lincoln WY s16T21nr117w ’18 Inch’ layer beds Fossil Butte Member Eocene Green River Fossil Fish. WY0257 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bridger A Lincoln WY Eocene Bridger Mammal Fossils WY0215 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Diamondville Lincoln WY Ulrich Quarry,(Fossil Butte Member) Eocene Green River Fossil Fish: Phareodus,Knightia,Mioplusus,Priscacara WY0216 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fontanelle Reservoir Lincoln WY Eocene Laney fish-Amyzon WY0217 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fontanelle Reservoir Lincoln WY 34.2km N Eocene Laney fish-Gosiutichthys WY0218 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fossil Lincoln WY 5 km E of RR station near US30 Paleocene Evanston abundant mammals – Phenacodus,Plesiadapis WY0219 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fossil Butte Lincoln WY Eocene Fossil Butte fish-Atractosteus,Diplomystus,Erismatopterus,Heliobatis,Hypsidoris,Knightia,Mioplosus,Notogoneus,Paramiatus,Phareodus,Priscacara WY0220 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fossil Butte Lincoln WY Eocene Wasatch (WY) Mammals-Copelemur WY0221 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fossil Butte National Monument Lincoln WY Near Kemmerer. ’18 inch’ layer beds,Fossil Butte Member Eocene Green River Fossil Fish. WY0222 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fossil Butte National Monument Lincoln WY There are fee collecting areas near Fossil Butte National Monument – Note: Best to schedule visits in advance to determine hours,fees,procedures and,if flexible,avoid visits when large groups will be present Eocene Green River Fossil Fish WY0223 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fossil Mountain Lincoln WY West of Kemmerer Eocene Green River fish-Knightia,Priscacara WY0224 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fossil Ridge Lincoln WY South of Fossil Butte National Monument. ’18 inch’ layer beds Formation,Fossil Butte Member Eocene Green River Fossil Fish. WY0225 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY Eocene Fossil Butte fish-Heliobatis WY0226 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY Eocene Lysite Vertebrates-birds-Gallinuloides WY0227 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY 100 km E at US30N-I80 Junction to N Eocene Green River Turritella Agate WY0228
Kemmerer Lincoln WY 16 km W along US30 in volcanic ash Eocene Green River abundant,well preserved fish. WY0229 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY 16km W Eocene Fossil Butte fish-Diplomystus,Knightia,Priscacara WY0230 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY 20 KM W on US30N Eocene Green River Fossil Fish WY0231 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY 27 km S and about 1 km N pelecypods WY0232
Kemmerer Lincoln WY 8km W Eocene Lysite Vertebrates-Icaronycteris WY0233 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY At J. E. Tynesky Quarry Eocene Fossil Butte fish-Heliobatis WY0234 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY At Oyster Ridge about 6 km from Kemmerer. Paleocene Evanston Inoceramus,Plant fossils WY0235
Kemmerer Lincoln WY Fossil Country Museum,400 Pine Avenue,Kemmerer,WY,83101,phone 307-877-6551 Eocene Green River Fossil Fish WY0236 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY Severn Studio and Fossil Quarry,Kemmerer,WY,83101,phone 307-877-9402; Peter and Robbie Stevens Prop. Eocene Green River Fossil Fish WY0237 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY Tynsky Quarry,Kemmerer,WY,83101,James E. and Carolyn Tynsky (Call information for a phone number) Eocene Green River Fossil Fish WY0238 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY Ulrich Fossil Gallery,Fossil Station #308 Kemmerer,WY 83101, phone 307-877-6466,307-877-3289 (fax) Eocene Green River Fossil Fish WY0239 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY at Ulrich quarry fossil fish WY0240 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY at Warfield Springs for fee quarry fossil fish WY0241 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kemmerer Lincoln WY in exposures of Fossil Butte Member of Green River Formation Eocene Green River Fossil Fish,Phareodus,Knightia,Diplomystus,Astephus,Asineops,Amphiplaga,Erismatopterus,Mioplosus,Priscacara WY0242 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
La Barge Lincoln WY Eocene Wasatch (WY) Squamata WY0243 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
La Barge Lincoln WY in exposures of Fossil Butte Member of Green River Formation Eocene Green River Fossil Fish,Knightia WY0244 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lewis Ranch Lincoln WY Eocene Green River Vertebrates-turtles WY0245 For fee site $55 for 2hrs,limit of 10 fish on CR331 http://www.kemmerer.org/tynskysquarry.php
Opal Lincoln WY 7km S Eocene Bridger turtles-Hadrianus WY0246 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Opal Lincoln WY Listed as E of US30-I80 junction. This would be in Sweetwater County closer to Little America than Opal Eocene Bridger turtles-Echmatemys WY0247 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Opal Lincoln WY On N side of road 50.4 km W of US30-I80 junction. Eocene Bridger turtles-Echmatemys WY0248 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Opal Bluff Lincoln WY On N side of road 5.6 km N Eocene Bridger turtles-Echmatemys WY0249 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Thane Lincoln WY Warfield Fossil Quarries, 2072 Muddy String Road, Thane, WY, 83127 (mailing address-not the site) Eocene Green River fossil fish WY0250 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Thomas Fork Creek Lincoln WY N side in n1/4s26t28nr119w Cretaceous Lower typical faunas WY0251
Thomas Fork Creek Lincoln WY USGS station 988c in phosphate beds Permian Phosphoria Aviculopecten WY0252
Walcott Lincoln WY 20 km S Petrified Wood WY0253
Warfield Spring Lincoln WY Commercial quarry with camping open June through September. About 30 km S from Kemmerer. Eocene Green River Knightia,Phareodus,Mioplosus,Priscacara,Diplomystus,and rare Heliobatis,Lepisosteus,and very rare turtles,birds and lizards Also fish scales,plants and insects. WY0254
Twin Creek Lincoln? WY Lincoln Eocene Green River fish-Amia?,Asincops,Atractosteus,Cockerellites,Crossopholis,Diplomystus,Erismatopterus,Heliobatis,Knightia,Lepisosteus,Mioplosus,Notogoneus,Phareodus,Priscacara,Protocatostomus;bird feathers WY0258 USGS has five listings for ‘Twin Creek’,two in Lincoln County which seems the most likely place for Green River exposures — 42.384N,110.618W; 61.824N,111.053W. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Natrona WY Buck Spring Dark Red Stratum Eocene Lower Lost Cabin Mammal Fossils WY0282 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Alcova Natrona WY 8km NNW at Flagstaff Rim Oligocene White River Mammals-Hyracodon,Mesohippus WY0259 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Alcova Natrona WY 8km NNW at Flagstaff Rim Oligocene White River mammals-Hyracodon,Mesohippus WY0599 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Alcova reservoir Natrona WY along Cottonwood Creek Dinosaur Trail Mesozoic plants,invertebrates,dinosaurs WY0261 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Alkali Creek Natrona WY Multiple sites in area near mouth and on lower part of creek and on Davis Ranch Eocene Wind River Bird bones;Crocodile bones and teeth;mammals-Cantius,Diacodexis,Ectoganus,Eotitanops,Hyopsodus,Hyracotherium,Lambdotherium,Lepisosteus,Microsyops,Notharctus,Phenacodus,Prolimnocyon,Uintacyon,Vulpavus;Squamata-Glyptosaurus,Saniwa;Turtles-Baptemys WY0262 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Badwater Creek Natrona WY S Eocene Teepee Trail mammals-Apriculus,Colodon,Tapocyon WY0263 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bates Hole Natrona WY Oligocene Chadron Squamata-Helodermoides WY0264 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bates Hole Natrona WY Oligocene White River Mammals-Cylindrodon,Daphoenocyon,Hyaenodon,Leptictis,Leptomeryx,Mesohippus WY0265 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Blue Gulch Natrona WY Various localities on South,Center and East forks Oligocene Chadron vertebrates:Reptiles-Helodermoides;Amphibians-Scaphiopus? WY0266 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Buck Spring Natrona WY Eocene Wind River mammal fossils WY0267 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Casper Natrona WY NW Cretaceous Frontier escarpment. Large ammonites. WY0268
Deadman Butte Natrona WY Eocene Wind River mammals-Ectypodus,Multituberculates WY0600 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Dry Hole Quarry Natrona WY Oligocene Chadron mammals-Hyracodon WY0270 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Evansville Natrona WY Eocene Green River vertebrates-turtles-Echmatemys WY0271 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fales Rocks Natrona WY At Barwin Quarry near top of hill 6450 Cretaceous Mesaverde mammals-Alphadon,Cimolomys,Falepetrus,Mesodma,Paracimexomys,Theria;dinosaur teeth-Deinodon,Dromaeosaurus,Kritosaurus,Paronychodon,Stegoceras;Amphibians;Squamata;Turtles;Crocodiles-Brachychampsa,Leidyosuchus;Champsosaurs; WY0272 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Ledge Creek Natrona WY Apparently several quarries Oligocene White River mammals-Apternodus,Caenopus,Hyaenodon,Hyracodon,Ischyromys,Poebrotherium,Toxotherium WY0601 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lone Tree Gulch Natrona WY North Fork Oligocene White River mammals-Cylindrodon,Fricktops,Hesperocyon,Hoplophoneus,Hyaenodon,Ischyromys,Leptomeryx,Megalagus,Palaeolagus,Poebrotherium,Titanotheriomys WY0602 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lone Tree Gulch Natrona WY On Middle Fork in Flagstaff rim area Oligocene White River mammals-Apternodus,Chadrolagus,Cylindrodon,Daphoenictis,Daphoenocyon,Hesperocyon,Hyaenodon,Ischyromys,Leptictis,Leptomeryx,Megalagus,Mesohippus,Palaeolagus,Protosciurus,Pseudoprotoceras,Titanotheriomys;Squamata-Glyptosaurus,Spathorhynchus;Turtles-Stylemys WY0603 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lone Tree Gulch Natrona WY Regional Outcrops including N and Middle Forks,Bates Hole,and Little Lone Tree Gulch Oligocene Chadron mammals-Cylindrodon,Daphoenus,Hesperocyon,Ischyromys,Leptomeryx,Titanotheriomys;reptiles-Helodermoides,Saniwa WY0276 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lone Tree Gulch Natrona WY South Fork Oligocene White River mammals-Apternodus,Chadrolagus,Cylindrodon,Daphoenus,Fricktops,Hesperocyon,Leptomeryx,Megalagus,Palaeocastor,Patriomanis,Protosciurus;Squamata-Spathorhynchus WY0604 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lone Tree Gulch Natrona WY Sue’s Pocket Oligocene White River mammals-Agriochoerus,Caenopus,Chadrolagus,Cylindrodon,Hyaenodon,Ischyromys,Leptomeryx,Megalagus,Palaeolagus,Parvitragulus,Parvitragulus,Patriomanis,Titanotheriomys WY0605 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lost Cabin Natrona WY Eocene Wind River turtles-Hoplochelys,Plastomenus? WY0606 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Rattlesnake Hills Natrona WY Eocene Bridger crocodiles; turtles-Plastomenus WY0280 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Rattlesnake Hills Natrona WY At NW end of hills Cretaceous Cody Shark Teeth-Lamna,Plesiosaur bones,Crocodile teeth,Squamata,turtles shell fragments WY0281 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Niobrara WY Lull2 Quarry — Near Buck Creek which is a tributary of Lance Creek Cretaceous Lance diverse vertebrates WY0309 Mammal Reference Location. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Alkali Creek Niobrara WY Area exposures 24-32km SW of Edgemont SD,Fall River Cy,SD near head of Hat Creek — Alkali Creek,Finneys Ranch,Doo’s Pasture,Mule Creek Cretaceous Pierre vertebrates-Pternadon;Plesiosaurs-Elasmosaurus,Styxosaurus,Trinacromerum;Squamata-Clidastes,Platecarpus;turtles-Toxochelys;fish-Cimolichthys?,Enchodus,Ichthyodectes,Pachyrhizodus,Protosphyraena,Xiphactinus WY0283 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Altman Blowout Niobrara WY Just east of divide in NE1/4S9T37NR64W — UC V-5616 Cretaceous Lance mammals-Cimolestes,Cimolodon WY0284 CAUTION:Collecting vertebrate material in the US requires landowner or government permission http://dml.cmnh.org/1997Dec/msg00058.html
Anderson Ranch Niobrara WY Oligocene Brule mammals-Mesohippus WY0285 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Anthill Niobrara WY Oligocene Brule mammals-Hesperocyon,Palaeolagus WY0286 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Boner Brothers Ranch Niobrara WY Oligocene Chadron mammals-Daphoenocyon,Hesperocyon,Hoplophoneus,Litolagus,Mesohippus WY0287 Original cites an imaginary Niobrara Cy,NE. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bushy Tailed Blowout Niobrara WY V-5003, 10m NW of highest point on ridge Cretaceous Lance turtles-Emarginochelys,Helopanoplia;Squamata;birds;crocodiles;amphibians;dinosaur teeth-Paronychodon,Troodon;materials-Alphadon,Camptomus,Cimexomys,Cimolestes,Cimolodon,Didelphimorphia,Dromomeryx,Gypsonictops,Meniscoessus,Mesodma,Pediomys WY0288 CAUTION:Collecting vertebrate material in the US requires landowner or government permission The faunal list for this site is very extensive,see http://paleo.amnh.org/fossil/loc_list.html?A=Lance&X=rock_formation
Channel Quarry Niobrara WY Oligocene Chadron Mammals-camels,Hesperocyon,Lagomorphs,Mesohippus WY0289 Original cites an imaginary Niobrara Cy,NE. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cherry Creek Niobrara WY Oligocene White River Mammals-Brontotherium,Entelodon,Leptochoerus,Menodus,Poebrotherium WY0290 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cheyenne River Niobrara WY area exposures Cretaceous Lance turtles-Baena;crocodiles-Prodiplocynodon WY0291 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Christian Hills Niobrara WY Oligocene Chadron mammals-Dinictis,Hesperocyon,Hyaenodon,Litolagus,Mesohippus,Palaeolagus WY0292 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
De Gering Ranch Niobrara WY Oligocene Brule mammals-Hesperocyon,Hyaenodon,Palaeolagus WY0293 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Doegie Creek Niobrara WY At Fish Tooth Hill in badlands on E side of ridge between Doegie and Cow Creeks Cretaceous Lance vertebrate teeth WY0294 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Doegie Creek Niobrara WY Doegie Creek is a tributary of Lance Creek and is also known as Dogie Creek or Bull Creek Cretaceous Lance Dinosaurs-Thescelosaurus WY0295 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Edgemont(SD) Niobrara WY 28.8km S Cretaceous Pierre Reptiles-Pternadon WY0296 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
False Disciple Point Niobrara WY Cretaceous Lance vertebrates-Multituberculates,Pediomys WY0297 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Hat Creek Store Niobrara WY Oligocene Brule Mammals-Hesperocyon WY0298 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Hat Ranch Niobrara WY 100m W of Russell West farm house on Hat Ranch Cretaceous Lance Turtles WY0299 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Hell Creek Niobrara WY Cretaceous Pierre Reptiles-Prosaurolophus WY0300 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Indian Creek Niobrara WY ‘Shack Draw’ area Oligocene Brule Hoplophoneus,Merycoidodon,Miniochoerus,Otionohyus,Platyochoerus,Prodesmatochoerus,Stenopsochoerus WY0301 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Jeriah[?] Niobrara WY N Miocene Harrison(Arikareean) vertebrates-mammals-Euhapsis,Leptauchenia,Leptodesma,Paraenhydrocyon WY0302 Can’t locate a Jeriah,WY. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Keel Ranch Niobrara WY Oligocene Chadron mammals-Agriochoerus,Hyaenodon,Leptochoerus,Palaeolagus WY0303 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Keeline Niobrara WY Area exposures N and NW-Quarry Z Miocene Harrison(Arikareean) vertebrates-mammals-Aelurocyon,Daphoenodon,Diceratherium,Enhydrocyon,Leptocyon,Merychyus,Mesocyon,Miohippus,Miotapirus,Nothocyon,Paraenhydrocyon,Paramerychyus,Promerycochoerus,Stenomylus,Temnocyon,Zodiolestes WY0304 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Klemke Ranch Niobrara WY Oligocene Brule Mammals-Palaeolagus WY0305 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kraft Ranch Niobrara WY Oligocene Brule Mammals-Hesperocyon,Hyaenodon,Mesohippus,Palaeolagus WY0306 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lance Creek Niobrara WY 8km S – North of Lusk and other area exposures Cretaceous Lance Vertebrates-amphibians-Albanerpeton,Opisthotriton,Prodesmodon,Scapherpeton;Crocodiles-Brachychampsa;Champsosaurs-Champsosaurus;dinosaurs-Paronychodon,Saurornithoides,Thescelosaurus;Mammals;Squamata-Chamops,Coniophis,Habrosaurus;turtles-Adocus,… WY0307 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Little Muddy Creek Niobrara WY Area Exposures-SW of Lusk,16km S of Keeline,and E of Spanish Diggings,Little Muddy Creek,Robertson Draw,first Canyon E of Robertson Draw Miocene Gering vertebrates-mammals-Aelurocyon,Agriochoerus,Capacikala,Ectopocynus,Desmatochoerus,Diceratherium,Enhydrocyon,Eophlaocyon,Florentiamys,Hadroleptauchenia,Leptauchenia,Leptodesma[?],Megoreodon,Merychyus,Mesoreodon,Microcastor,Nothocyon,Otarocyon,Palaeocastor. WY0308 Original says ‘Leptodesmus’,but that seems to be an invertebrate. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lusk Niobrara WY 14.4km S at Royal Valley Miocene (Arikareean) Marsland mammals-Gregorymys,Menoceras,Merychyus,Phenacocoelus,Promartes,Stenomylus,Tomarctus WY0310 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lusk Niobrara WY Area exposures 8km W of North Ridge near WY85. North Ridge is 24-27km NE of Lusk and N of Node Miocene Harrison(Arikareean) vertebrates-mammals-Entopthychus,Promerycochoerus WY0311 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lusk Niobrara WY Area exposures at North Ridge 24-27km NE of Lusk and N of Node Miocene Harrison(Arikareean) vertebrates-mammals-Promerycochoerus WY0312 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lusk Niobrara WY E into SD in badlands Miocene Harrison fossil Daemonelix burrows WY0313
Lusk Niobrara WY N of Node Rd Oligocene Chadron reptiles-Helodermoides WY0314 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Manville Niobrara WY At ’77 Hill Quarry’ 7.2km N on W side of road to Lance Creek and in exposures at top of hill Miocene Harrison(Arikareean) vertebrates-mammals-Diceratherium,Enhydrocyon,Euhapsis,Merychyus,Promerycochoerus;turtles-Stylemys,Trionyx WY0315 Original cites an imaginary Niobrara Cy,NE. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Manville Niobrara WY N on N side of Butte in area outcrops 55 km NNW of Lusk Cretaceous Lance Triceratops and other dinosaurs WY0316 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Mills Falls Niobrara WY Oligocene Brule Mammals-Merycoidodon WY0317 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Muddy Creek Niobrara WY Area Exposures 17.8-19.2 km S of Keeline including areas Muddy Creek Bridge and 4.8km and 3.2km W of Muddy Creek Bridge on NE85 Miocene (Arikareean) Monroe Creek mammals-Cantius,Desmatochoerus,Diceratherium,Enhydrocyon,Hadroleptauchenia,Hyopsodus,Leptauchenia,Leptodesmus,Leptauchenia,Megoreodon,Merycoides,Mesocyon,Mesoreodon,Microcastor,Nanotragulus,Nothocyon,Palaeocastor,Palaeogale,Paraenhydrocyon,Pithecistes… WY0318 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Mule Creek Junction Niobrara WY Cretaceous Pierre Squamata-Platycarpus WY0319 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Old Woman Creek Niobrara WY Oligocene Brule Mammals-Ischyromys,Hyaenodon,Otionohyus,Palaeolagus,Platyochoerus,Poebrotherium,Prodesmatochoerus,Stenopsochoerus WY0320 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Piper Ranch Niobrara WY Oligocene Brule mammals-Hesperocyon WY0321 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Red Bird Niobrara WY in Red Bird,Mule Creek Junction area Cretaceous Lance dinosaur bones,leaves. WY0322 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Sage Creek Niobrara WY Cretaceous Pierre Ammonites-Placenticeras,Scaphites WY0323 There are a number of Sage Creeks in Wyoming. The Sage Creek in Niobrara County seems most likely
Sand Gulch Niobrara WY near Wolf Ranch Miocene (Arikareean) Marsland mammals-Cynarctoides,Menoceras,Phenacocoelus,Stenomylus WY0324 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Schneider Creek Niobrara WY 3.2km NW Cretaceous Lance dinosaur-Pachycephalosaurus WY0325 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Seaman Hills Niobrara WY SE Oligocene Brule mammals-Daphoenocyon,Daphoenus,Dinictis,Hesperocyon,Hoplophoneus,Litolagus,Mesohippus,Palaeolagus,Perchoerus WY0326 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Seaman Hills Niobrara WY Saddle N+E of Hat Creek Store Oligocene Chadron mammals-Miohippus;reptiles-Helodermoides WY0327 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Seven Mile Creek Niobrara WY 64km NW of Edgemont,SD and 8-9.6km N of Cheyenne River Cretaceous Lance vertebrates-dinosaurs-Dynamosaurus,Edmontosaurus,Triceratops;Turtles-Hayemys,Thescelus WY0328 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Seven Mile Creek Niobrara WY 8km N of Cheyenne river Cretaceous Lance vertebrate fragments including dinosaur parts WY0329 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Silver Spring Niobrara WY Miocene (Arikareean) Marsland mammals-Desmocyon,Promartes,Tomarctus WY0330 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Spring Draw Niobrara WY regional exposures Oligocene Brule mammals-Dinictis,Hesperocyon,Hyaenodon,Merycoidodon,Mesohippus,Otionohyus,Palaeolagus,Platyochoerus,Poebrotherium,Stenopsochoerus,Stibarus WY0331 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Spring Draw West Niobrara WY Oligocene White River mammals-Merycoidodon,Palaeocastor,Paramerycoidodon WY0607 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Thompson Ranch Niobrara WY Oligocene Brule mammals-Hoplophoneus,Palaeolagus WY0333 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Van Tassel Niobrara WY S Miocene Harrison(Arikareean) vertebrates-mammals-Euhapsis,Palaeocastor,Phlaocyon,Phenacocoelus,Promerycochoerus,Pseudocastor,Temnocyon WY0334 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Whitman Niobrara WY At Bold Mountain[?] on Swope[?] Ranch Mesohippus tracks and some bones WY0335 Couldn’t locate Swope Ranch. Only Bold Mountain that USGS knows about it in Fremont County,WY at 43.2150N,109.3801W. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Whitman Niobrara WY to N Oligocene Brule mammals-Dinictis,Hesperocyon WY0336 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Willow Creek Niobrara WY Miocene Gering vertebrates-mammals-Diacodexis,Hyracotherium,Palaeocastor,Promartes,Pseudocyclopidius WY0337 Original cites an imaginary Niobrara Cy,NE. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kraft’s Ranch Niobrara? WY S of,4km SE of Jem Christian Hills[?] Oligocene Chadron reptiles-Helodermoides WY0338 There is no Niobrara County in Nebraska. Neither does ‘Jem Christian Hills’ seem to be a meaningful landmark. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Park WY Area exposures-Princeton,Reiss,Rock Bench Quarries Paleocene Fort Union vertebrates-mammals-Anisonchus,Apheliscus,Carpolestes,Chriacus,Colpoclaenus,Elphidotarsius,Haplaletes,Litaletes,Plesiadapis,Plesiolestes;turtles WY0369 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Beartooth Butte Park WY Devonian Lower Beartooth Butte Cephalaspis,Protaspis WY0339 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Big Sand Coulee Park WY At head of coulee Eocene Willwood mammals-Bathyopsis,Diacodexis,Dipsalodon,Cantius,Ectocion,Esthonyx,Hyracotherium,Oxyaena,Phenacodus,Phenacolemur,Probathyopsis,Thryptacodon,Viverravus;Reptiles-Champsosaurus CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Clarks Fork Basin Park WY Paleocene (Clarkfork) Polecat Bench Crocodile teeth WY0341 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Clarks Fork Canyon Park WY at mouth of canyon Jurassic Rierdon Fish-Lepidotes WY0342 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cody Park WY along highway S to Meeteetse typical faunas WY0343
Cody Park WY area badlands typical faunas (typical of what?) WY0344
Cody Park WY area outcrops-one 3.2km S of Cody Airport Cretaceous Mowry plesiosaur bones-hybodont spines WY0345 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Elk Basin Park WY area exposures [?] WY0346
Emblem Park WY To North Eocene Willwood mammals-Dissacus WY0608 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Holly’s Microsite Park WY Paleocene Upper Fort Union Mammal Fossils WY0348 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
McCulloch Peak Park WY NW slope Eocene Willwood crocodile teeth WY0609 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Meeteetse Park WY in area badlands fossils WY0350
Pat O’Hara Creek Park WY 11.2km E Eocene Willwood mammals-Oxyaena WY0610 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Pat O’Hara Creek Park WY 4.2 SE of mouth Eocene Willwood Squamata-Melanosaurus WY0611 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Pat O’Hara Creek Park WY 4.8km E of mouth Eocene Willwood reptile-Champsosaurus WY0612 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Pat O’Hara Creek Park WY 4.8km SE Eocene Willwood mammals-Oxyaena WY0613 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Pat O’Hara Creek Park WY 4.8km SE of mouth of Creek Eocene Wasatch (WY) Mammals-Hyracotherium,Cantius,Deltatherium,Diacodexis,Ectocion,Haplomylus,Hyracotherium,Microsyops,Phenacodus,Viverravus WY0355 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Pat O’Hara Creek Park WY 8km SE Eocene Willwood mammals-Oxyaena WY0614 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Pat O’Hara Creek Park WY 8km SE of mouth Eocene Willwood mammals-Cantius,Diatryma,Esthonyx;Melanosaurus,Saniwa WY0615 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Polecat Bench Park WY Eocene Willwood mammals-Cyriacotherium WY0616 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Powell Park WY N on SE side of Polecat Bench Paleocene (Tiffanian) Polecat Bench? crocodile-Allognathosuchus WY0359 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Powell Bluff Park WY To N Eocene Willwood reptile-Champsosaurus WY0617 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Princeton Quarry Park WY Paleocene Upper Fort Union Mammal Fossils WY0361 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Princeton Quarry Park WY W of Polecat Bench Paleocene (Tiffanian) Polecat Bench turtles WY0362 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Ralston Park WY 11.7km N Eocene Willwood Squamata-Melanosaurus? WY0618 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Ralston Park WY 8km NE Eocene Willwood Crocodile-Allognathosuchus WY0619 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Ralston Park WY N on the S side of Polecat Bench Eocene Willwood crocodiles-Allognathosuchus WY0620 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Ralston Bluff Park WY Eocene Wasatch (WY) Mammals-Didymictis,Ectocion,Viverravus WY0366 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Ralston Bluff Park WY Eocene Willwood mammals-Phenacodus,Phenacolemur WY0621 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Silver Coulee Park WY Paleocene (Tiffanian) Polecat Bench fish-Amia;mammals-Barylambda WY0368 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Big Sand Coulee Park? WY at head of coulee Eocene Ralston fish-Amia WY0370 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Clarks Fork Basin Park? WY in freshwater Limestone in a floodplain deposit? Paleocene Lower tiny mammal fossils:Batodonoides (Lipotyphla,Geolabididae) WY0371 Site could be in one of the adjacent counties. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Chugwater Creek Platte WY pelecypod Inoceramus WY0372
Guernsey Platte WY 9.6km SW Miocene Harrison(Arikareean) vertebrates=mammals-Tomarctus WY0373 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Gurnsey Platte WY Area exposures to W,3.2km W Miocene (Arikareean) Marsland mammals-Phenacocoelus,Temnocyon WY0374 Original was entered as Gurnsey,NE,but there does not appear to be any such place). CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Laramie Peak Platte WY Miocene Deep River Turtles-Stylemys WY0375 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Uva Breaks Platte WY Miocene (Arikareean) Marsland mammals-Merychyus,Promartes,Tomarctus WY0376 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Dry Creek Sheridan WY At head of creek Eocene Willwood mammals-Didymictis,Hyopsodus,Microsus,Phenacodus WY0622 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Big Piney Sublette WY Eocene Wasatch (WY) Mammals-Palaeictops WY0378 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Dell Creek Sublette WY At Dell Creek Quarry Paleocene Hoback vertebrates-Adunator,Carpodaptes,Ignacius,Plesiadapis WY0379 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Farson Sublette WY Eocene Green River Petrified Palm Wood WY0380
Farson Sublette WY (Laney Shale) Eocene Green River Fossil Fish. Hypsidoris WY0381 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Farson Sublette WY 50 km SW N of Green River Eocene Green River Petrified Wood WY0382
Farson Sublette WY 93.6km NE of Rock Springs Eocene Bridger Crocodile bones WY0383 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Farson Sublette WY SW WY petrified wood,palm,cane WY0384
Farson Sublette WY at Eden Valley Eocene Green River Petrified wood WY0385
Farson Sublette WY in area exposures,Laney member Eocene Green River Fish casts and molds. WY0386 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lost Mountain Sublette WY Eocene Bridger bird bones;mammals-Hyopsodus,Manteoceras WY0387 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Moe’s Hill Sublette WY Eocene Bridger mammals- WY0388 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Morrow Hill[?] Sublette WY Eocene Green River vertebrates-Squamata-Melanosaurus[?] WY0389 Original says Morow Hill,Probably is Jack Morrow Hill. Melanosaurus is a Triassic dinosaur. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Northerly Butte Sublette WY Eocene New Fork mammals-Uintacyon WY0390 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Red Creek Sublette WY Sublette? Permian Park City bivalves-Sanguinolites?,Scaphellina WY0391
Tosi Canyon Sublette WY Permian Park City bivalves-Aviculopecten,Celtoides,Goniophora? WY0392
Willow Creek Sublette WY Permian Park City bivalves-Oriocrassatella WY0393
Northern Green River Basin Sublette? WY Eocene Bridger|Wasatch (WY) Eocene Mammals WY0394 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Northern Green River Basin Sublette? WY E and W of Marbleton; E and W of Big Piney; at Tabernacle Butte; along US189 E of US187; E and W of US187 S of Boulder and New Fork River. Eocene Bridger|Wasatch (WY) mammals WY0395 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Sweetwater WY On Farson Rd,4.8km N of Green River Eocene Green River fish-Phareodus WY0458 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Sweetwater WY at top of Blair Formation Cretaceous Upper Blair Nucula,Inoceramus,Ostrea,Pecten,Laternula,Cymella,Dentalium,Gyrodes,Troostella,Baculites,Glyptoxoceras,Scaphites,Placenticeras. WY0459
– Sweetwater WY in shale exposures Cretaceous Upper Baxter Inoceramus,Pteria,Ostrea,Veniella,Pecten,Baculites,Clioscaphites,Anisomyon WY0449
– Sweetwater WY lower part of Blair Formation Cretaceous Upper Blair Inoceramus,Exogyra,Cymbophora,Panope,Baculites,Scaphites,Placenticeras,Eutrephoceras WY0460
Adobe Town Sweetwater WY W side of town Eocene Washakie Turtles-Baena WY0396 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Big Sandy Creek Sweetwater WY At Mouth of Creek Eocene Bridger vertebrates-Trionyx WY0397 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Big Sandy Reservoir Sweetwater WY SW WY petrified wood WY0398
Big Sandy Reservoir Sweetwater WY in float Eocene Green River Well preserved petrified wood,and some mollusks WY0399
Bitter Creek Sweetwater WY Area Exposures Eocene Bridger vertebrates-turtles-Baena WY0400 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bitter Creek Sweetwater WY South Fork Eocene Washakie Mammals-Triplopus,Uintatherium WY0401 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bitter Creek Sweetwater WY in coal exposures Cretaceous Laramie plants,reptiles-Agathaumus WY0402 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Black Butte Sweetwater WY Eocene Green River vertebrates-turtles-Echmatemys WY0403 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Black Butte Sweetwater WY Eocene Wasatch (WY) Crocodile-Allognathosuchus;Mammals-Coryphodon,Eumys,Leptodontomys,Marmota;Turtles-Echmatemys,Kinosternon,Plastomenus,Trionyx WY0404 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Black Butte Sweetwater WY in coal exposures Cretaceous Laramie plants,Agathaumus WY0405 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Black Buttes Sweetwater WY Eocene Bridger Turtles-Trionyx WY0406 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Blue Forest Sweetwater WY SW Wyoming petrified wood WY0407 http://www.rockhounds.com/rocknet/archive/messages/17815.shtml
Currant Creek Quarry Sweetwater WY Pay to dig quarry adjacent to Currant Creek Ranch. Contact:Dave Freeman,111 Thomas Street,Rock Springs,WY 82901,307-382-3253. 2007 data Fee $65,Limit 10 fish,Quarry keeps unusual specimens Eocene Tower|Laney vertebrates-Fish-Asineops,Knightia,Gosiutichthys,others?,plants? WY0408
East Hill Sweetwater WY Eocene Bridger mammals-Apatemys,Centetodon,Hyopsodus,Pontifactor,Talpavus,Vulpavus WY0409 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Eden Valley Sweetwater WY SW WY petrified wood WY0410
Eden Valley Sweetwater WY well known Petrified Wood Locality. Refer to South Pass City Eocene Green River Petrified wood WY0411
Farson Sweetwater WY Eocene Laney fish-Knightia WY0412 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Farson Sweetwater WY N at Little Sandy Division Dam Eocene Green River Vertebrates-turtles WY0413 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fontanelle Sweetwater WY at Blue Forest Eocene Green River Petrified wood WY0414
Fontanelle Reservoir Sweetwater WY along NE shore,Laney member Eocene Green River Fossil fish WY0415 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fossil Sweetwater WY Eocene Green River Vertebrates-Squamata-Boavus;bird feathers WY0416 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Georges Gorge Sweetwater WY Eocene Bridger mammals-Centetodon,Hyopsodus,Nyctitherium,Orohippus,Pontifactor WY0417 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Granger Sweetwater WY along US30 to Blacks Fork Eocene Green River Turritella agate (Goniobasis) WY0418
Green River Sweetwater WY Eocene Green River Vertebrates-Turtles-Echmatemys WY0419 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Green River Sweetwater WY 20 km NW in Whiskey Basin Eocene Green River Petrified Wood WY0420
Green River Sweetwater WY At Fish Cut 2 on RR S side of Green River. W of town of Green River. Eocene Green River fish-Asineops,Erismatopterus WY0421 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Green River Sweetwater WY At Fish Cut on RR Eocene Green River fish-Astephus,Erismatopterus,Knightia,Phareodus WY0422 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Green River Sweetwater WY N at Blue Rim Eocene Bridger Abundant plant fossils WY0423
Green River Sweetwater WY in area exposures in two units 10 and 20 meters respectively above the base of the Formation: Laney member Eocene Green River Fossil fish. WY0424 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Green River Basin Sweetwater WY West Part in exposures along Highway Eocene Green River mammals,fish,birds -Gallinuloides WY0425 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Sweetwater WY At Northgate Eocene Bridger bird bones WY0426 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Hallville Sweetwater WY in coal exposures Cretaceous Laramie plants,Agathaumus WY0427 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Haystack Mountain Sweetwater WY Eocene Washakie Bird bones;Crocodiles-Brachyuranochampsa;Mammals-Achaenodon,Amynodon,Dilophodon,Dolichorhinus,Forstercooperia,Harpagolestes,Hemiacodon,Hyopsodus,Hyrachyus,Limnocyon,Limnohyops,Manteoceras,Mesatirhinus,Mesonyx,Metarhinus,Notharctus,Palaeosyops,Paramys;Patriofelis,Proviverra,Rhagatherium,Telmatherium,Thinocyon,Thisbemys,Triplopus,Uintatherium;Turtles-Baena,Chisternon,Clemmys,Echmatemys,Hadrianus WY0428 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Henry’s Fork Hill (Bridger D) Sweetwater WY Eocene Bridger Mammal Fossils WY0429 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Hutchinson Quarry Sweetwater WY Eocene Bridger Entomolestes,mammals-Pontifactor WY0430 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Kinney Ranch Sweetwater WY 8km E Eocene Washakie Mammals-Hyrachyus;Turtles-Hadrianus WY0431 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Laclede Sweetwater WY 4.8km below at Bitter Creek Station Eocene Wasatch (WY) Mammals-Amaramnis,Leptotomus,Paramys;Turtles-Echmatemys,Trionyx WY0432 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lake Adam Sweetwater WY W of dam Paleocene Fort Union turtle bones WY0433 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lane Meadow Sweetwater WY Eocene Bridger mammals-Patriofelis WY0434 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Long Canyon Sweetwater WY North slope of first ridge to North Cretaceous Mesaverde dinosaur bones WY0435 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Manuel Road Sweetwater WY Eocene Washakie Mammals-Stylinodon WY0436 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Morrow Creek? Sweetwater WY 5.2km S of county line Eocene Morrow Creek crocodile bones;Squamata-Melanosaurus WY0437 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Pete’s Tumble Sweetwater WY Eocene Wasatch (WY) Mammals-Absarokius WY0438 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Point of Rocks Sweetwater WY 3km E on N side of US30 below airway beacon Cretaceous Mesaverde dinosaur bones WY0439 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Point of Rocks Sweetwater WY in coal exposures Cretaceous Laramie plants,Agathaumus WY0440 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Presbyornis Quarry Sweetwater WY Eocene Wilkins Peak Vertebrates-mammals-Presbyornis WY0441 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Promontory Sweetwater WY Eocene Wasatch (WY) Mammals-Anemorhysis WY0442 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Rock Springs Sweetwater WY 28.8km S, 3.2 km SW of Songster Coal Mine Cretaceous Mesaverde Dinosaur bones WY0443 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Rock Springs Sweetwater WY 32km N on S side of Cedar Canyon Cretaceous Mesaverde Dinosaur bones WY0444 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Rock Springs Sweetwater WY 41.6km N Eocene Wilkins Peak Vertebrates-crocodile WY0445 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Rock Springs Sweetwater WY E Flank of Rock Springs uplift Cretaceous Lance dinosaur teeth WY0446 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Rock Springs Sweetwater WY S side of prominent hill Cretaceous Mesaverde dinosaur bones WY0447 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Rock Springs Sweetwater WY in coal exposures Cretaceous Laramie plants,Agathaumus WY0448 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Spanish Johns Meadow Sweetwater WY Eocene Bridger Mammals-Uintatherium WY0450 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Twin Buttes Sweetwater WY Eocene Bridger Mammals-Helaletes,Hemiacodon,Homacodon,Hyopsodus,Hyrachyus,Isectolophus,Machaeroides,Manteoceras,Mesatirhinus,Metacheiromys,Notharctus,Orohippus,Palaearctonyx,Paramys,Smilodectes,Thisbemys,Viverravus WY0451 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Twin Buttes Sweetwater WY Eocene Bridger Upper fish-Amia,Pappichthys WY0452 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Wamsutter Sweetwater WY Eocene Green River mollusks Turritella in Silicified matrix WY0453
Wamsutter Sweetwater WY 20 km SW (12.8km S then 12.8km W) Eocene Green River Turritella Agate and Petrified Wood WY0454
Wamsutter Sweetwater WY 24 km SW at Delany Rim Eocene Green River Goniobasis agate WY0455
Wamsutter Sweetwater WY Just above Wamsutter Coal Eocene Wilkins Peak fish-Leidyosuchus WY0456 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Washakie Basin Sweetwater WY Eocene Wasatch (WY) Mammals-Dolichorhinus,Eobasileus,Palaeosyops,Uintatherium WY0457 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cedar Ridge Sweetwater[?] WY Eocene Wind River Squamata WY0461 There are probably multiple Cedar Ridges in Wyoming.CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Teton WY area exposures-Low Locality,Priscillas,Upper Red Creek,Rhoerer(Buckskin Ridge),Susan(Togwatee Field),Taeniodont Paleocene Wasatch (WY) vertebrates-Apheliscus,Carpolestes,Chriacus,Coryphodon,Cyriacotherium,Didymictis,Ectocion,Ectoganus,Esthonyx,Ellipsodon,Oxyaena,Phenacodus,Phenacolemur,Plesiadapis,Prolimnocyon WY0471 Wasatch (WY)=’Variegated Sequence’ in original. VS=North Horn+Wasatch+Colton. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Emerald Lake Teton WY Miocene Colter(Arikareean) vertebrates-Fricktops WY0462 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lamar Cave Teton WY Holocene amphibian bones – salamanders WY0463 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Landslide Locality Teton WY Eocene Wasatch (WY) Squamata WY0464 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Pilgrim Creek Teton WY Miocene Colter (Hemingford) vertebrates-Merychyus WY0465 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Pinyon Peak Teton WY E side of the peak Cretaceous Pinyon Conglomerate Dinosaur-Leptoceratops WY0466 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Togwatee Field Teton WY Various localities probably near Togwatee Pass in Wasatch (WY)-Bridger stage sediments Eocene Aycross vertebrates-Paramys,Hyopsodus,Ischyromyidae,Hyracotherium,Phenacodus,Plesiadapis,rodents,primates,tapirs WY0467 CAUTION:Collecting vertebrate material in the US requires landowner or government permission See Aycross sites at http://paleo.amnh.org/fossil/rock.html for more details.
Togwatee Pass Teton WY near summit in greenish badlands S of road,.3km W of benchmark 9544 Eocene Teepee Trail mammals-Apheliscus,Coryphodon,Coryphodon,Didymictis,Ectocion,Ectodon,Ellipsodon,Litomylus,Paramys,Phenacodus,Plesiadapis,Reithroparamys,Viverravus;Squamata;Turtles-Echmatemys WY0468 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Yellowstone NP Teton WY At Specimen Ridge 27 layers of petrified wood leaves,etc separated by volcanic ash. Sycamore,Walnut,chestnut,oak,redwood,maple,dogwood WY0469
Yellowstone River Teton WY gastropod,Viviparus WY0470
– Uinta WY in exposures of Fossil Butte Member of Green River Formation Eocene Green River Fossil Fish,Diplomystus WY0563 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bear River Uinta WY Eocene Wasatch (WY) Mammals-Coryphodon WY0472 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bear River RR Bridge Uinta WY Eocene Knight vertebrates-Didymictis WY0473 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Beaver Creek Uinta WY Area Exposures Eocene Bridger mammals-Centetodon,Hyopsodus WY0474 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Behunin Reservoir[?] Uinta WY Eocene Bridger mammals-Helohyus,Sphacorhysis WY0475 There does not seem to be a town of Behunin in Uinta County,but there is a Behunin Reservoir. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bridger Uinta WY area exposures Eocene Green River Priscacara,gar,Uintacyon WY0476 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bridger Basin Uinta WY Might include any of a number of sites Eocene Bridger Reptiles-Crocodiles-Allognathosuchus,Crocodylus;Turtles-Asperidites,Axestemys?,Baena,Baptemys,Echmatemys,Hadrianus,Plastomenus WY0477 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Buckman Hollow Uinta WY Paleocene? Almy Plesiadapis (a primate),creodonts,Condylarths – Phenacodus,Ectocion WY0478 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Burnt Fork Uinta WY Burnt Fork Post Office on Henry’s Fork Eocene Bridger Squamata WY0479 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Burnt Fork Uinta WY near Burnt Fork Post Office Eocene Bridger Mammals-Hemiacodon,Homacodon,Hyopsodus,Microsus,Microsyops,Notharctus,Thisbemys WY0480 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cat Tail Springs Uinta WY Eocene Bridger Turtle bones WY0481 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cattail Springs Uinta WY Eocene Bridger mammals-Antiacodon,Hemiacodon,Hyopsodus,Hyrachyus,Mesatirhinus,Notharctus,Omomys,Orohippus,Palaeosyops,Pseudotomus,Uintacyon,Viverravus,Washakius WY0482 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cedar Mountain Uinta WY Eocene Bridger mammals-Hyopsodus,Hyrachyus,Omomys WY0483 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Church Butte Uinta WY area exposures,at Church Butte siding,South of Church Butte,5.4km S,10.8km S Eocene Bridger mammals-Carnivora,Helaletes,Hyopsodus,Hyrachyus,Leptotomus,Notharctus,Omomys,Orohippus,Palaeosyops,Paramys,Proviverra,Sciuravus,Smilodectes,Thinocyon,Viverravus WY0484 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Church Buttes Uinta WY Eocene Bridger Crocodylus,Minerva,Squamata-Boavus,Turtle-Echmatemys,Trionyx;Birds-,Geranodornis WY0485 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Church Buttes Uinta WY Eocene Bridger fish-Amia,Lepisosteus WY0486 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cottonwood Creek Uinta WY Eocene Bridger Crocodile;Fish-Amia,Pappichthys;Turtles-Baena,Baptemys,Echmatemys,Naocephalus,Plastomenus,Trionyx WY0487 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cottonwood Creek Uinta WY Lower part of Creek Eocene Bridger Crocodile,Turtles-Baena,Baptemys,Anosteira,Asperidites,Chisternon,Plastomenus,Trionyx,Temnotrionyx;Birds-Protostrix WY0488 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cottonwood Creek Uinta WY Lower part of creek Eocene Bridger mammals-Esthonyx,Helaletes,Hyopsodus,Hyrachyus,Leptotomus,Limnocyon,Limnohyops,Mesonyx,Metacheiromys,Microsyops,Notharctus,Omomys,Orohippus,Palaeosyops,Pseudotomus,Proviverra,Sciuravus,Smilodectes,Thinocyon,Viverravus WY0489 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cottonwood Creek Uinta WY Middle part of Creek Eocene Bridger Crocodile-Crocodylus;Turtles-Asperidites,Echmatemys WY0490 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cottonwood Creek Uinta WY West Eocene Bridger Mammals-Antiacodon,Prohystricops WY0491 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cottonwood Creek Uinta WY near mouth of creek,possibly elsewhere Eocene Bridger mammals-Esthonyx,Hyopsodus,Hyrachyus,Limnohyops,Microsyops,Orohippus,Palaeosyops,Proviverra,Thinocyon WY0492 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Cottonwood Reservoir Uinta WY Eocene Bridger mammals-Hyopsodus,Pontifactor WY0493 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Dry Creek Uinta WY Eocene Bridger Crocodiles-Allognathosuchus,Squamata-Saniwa;Turtles-Baena,Echmatemys,Hadrianus,Trionyx WY0494 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Evanston Uinta WY Cretaceous Mesaverde fossil plants WY0495
Evanston Uinta WY Eocene Green River vertebrates-turtles-Echmatemys WY0496 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Evanston Uinta WY 11 km N in Shell Hollow in shales and Limestones Cretaceous Lower Bear River (WY) micro and macro fossils WY0497
Evanston Uinta WY 15 km SE in thin carbonaceous shales in road and RR cut Cretaceous Lower Bear River (WY) fossils WY0498
Evanston Uinta WY 15.6km E Eocene Green River vertebrates-turtles-Echmatemys;Squamata-Glyptosaurus WY0499 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Evanston Uinta WY At Knight Station 67m above Bear River Eocene Wasatch (WY) Turtle-Baena WY0500 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fort Bridger Uinta WY Eocene Bridger mammals-Uintacyon WY0501 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fort Bridger Uinta WY Along Black Fork — probably from bluff on S side of Black Fork Eocene Bridger Helaletes,Hyrachyus,Microsus,Notharctus,Orohippus,Pantolestes,Paramys,Proviverra,Tritemnodon WY0502 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Fort Bridger Uinta WY Bluff near town Eocene Bridger Turtle fragments-Chisternon WY0503 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Gingerbread Canyon Uinta WY Eocene Bridger Turtle fragments-Baena WY0504 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Granger Uinta WY 7-9km S? Eocene Bridger mammals-Helaletes,Hyopsodus,Machaeroides,Metacheiromys,Microsus,Notharctus,Orohippus,Palaeosyops,Paramys,Sciuravus,Thisbemys,Vulpavus WY0505 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Granger Uinta WY Area exposures 9 to 10 km S and SW Eocene Bridger mammals-Hyopsodus,Hyrachyus,Mesonyx,Notharctus,Orohippus,Paramys,Scenopagus,Sciuravus,Thisbemys,Trogolemur,Viverravus WY0506 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Granger Uinta WY At Exit 66 (US30) on I80 Eocene Bridger crocodile bones WY0507 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Green River Basin Uinta WY Eocene Bridger Crocodiles-Allognathosuchus,Crocodylus;Squamata-Saniwa;Turtles-Anosteira,Axestemys;Mammals-Chiroptera,Patriofelis WY0508 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY Eocene Bridger Mammal Fossils WY0509 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY Eocene Bridger Mammals(primate)-Notharctus; Squamata-Glyptosaurus;Turtles-Echmatemys WY0510 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY Eocene Bridger Mammals-Antiacodon,Helaletes,Hyopsodus,Hyrachyus,Microsyops,Notharctus,Omomys,Palaeosyops,Reithroparamys,Viverravus WY0511 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY Eocene Bridger Turtles-Baena WY0512 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY At Barb’s Butte Eocene Bridger vertebrates-Turtles WY0513 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY At Crooked Crotch Eocene Bridger Crocodile-Crocodylus;Squamata-Saniwa WY0514 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY At Frank’s Ridge Eocene Bridger Crocodiles-Pristichampsus[?] WY0515 Original says ‘Pristochampsa’ but that is most likely a typo. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY At the base of Dawn of Man Eocene Bridger Bird bones WY0516 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY E at ‘cosmodome’ Eocene Bridger vertebrates-Baena WY0517 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY East Eocene Bridger Crocodiles-Allognathosuchus,Baptemys,Brachyuranochampsa,Crocodylus;Fish-Lepisosteus;Squamata-Saniwa;Turtles-Asperidites,Baena,Chisternon,Clemmys,Echmatemys,Plastomenus,Trionyx WY0518 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY East Eocene Bridger Mammals-Helaletes,Hyopsodus,Hyrachyus,Leptotomus,Machaeroides,Mesonyx,Metacheiromys,Microsyops,Notharctus,Omomys,Orohippus,Palaeosyops,Pantolestes,Paramys,Proviverra,Reithroparamys,Sciuravus,Smilodectes,Thinocyon,Thisbemys,Tritemnodon,Uintacyon,Vulpavus WY0519 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY East at Cosmic Hill/Cosmic Quarry Eocene Bridger Squamata-Spathorhynchus,Saniwa WY0520 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY East at Forbidden City/Great Wall Eocene Bridger Turtle fragments-Echmatemys,Mammals-Notharctidae,Orohippus,Orohippus,Smilodectes;Bird bones WY0521 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY Grizzly Buttes-West at Spanish Saddle Eocene Bridger bird bones;crocodile bones;Squamata WY0522 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY Hill 6620 Eocene Bridger Turtles-Echmatemys WY0523 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY Hill 6631 Eocene Bridger Turtles-Echmatemys WY0524 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY Hyopsodus Hill-Tabernacle Butte Eocene Bridger Bird bones;Squamata-Boavus,Calamagras,Coniophis[?],Dunnophis,Glyptosaurus,Lestophis,Palaeoxantusia,Paraepicrates,Saniwa,Tinosaurus,Xestops;Turtles WY0525 Coniophis is a Cretaceous form? CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY On E at Butch Hill Eocene Bridger Crocodile bones WY0526 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY West Eocene Bridger Bird bones;Crocodiles-Allognathosuchus;Squamata-Boavus?,Glyptosaurus;Turtles-Anosteira,Asperidites,Baena,Chisternon,Clemmys,Echmatemys,Hadrianus,Plastomenus,Trionyx WY0527 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY West Eocene Bridger Fish-Amia,Astephus,Atractosteus WY0528 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY West Eocene Bridger Mammals-Antiacodon,Brachycyon,Helohyus,Hyopsodus,Hyrachyus,Leptotomus,Limnohyops,Machaeroides,Mesonyx,Metacheiromys,Microsyops,Notharctus,Orohippus,Pantolestes,Paramys,Patriofelis,Proviverra,Smilodectes,Thinocyon,Thisbemys,Tritemnodon,Uintacyon,Viverravus WY0529 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Grizzly Buttes Uinta WY West at Donner Pantry Eocene Bridger Mammals-Notharctus,Omomys,Orohippus,Pantolestes,Cimolesta,Smilodectes;Squamata WY0530 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Hams Fork Uinta WY Eocene Bridger crocodiles-Crocodylus;turtles-Baena WY0531 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Haystack Mountain Uinta WY Eocene Bridger turtles-Echmatemys,Hadrianus,Trionyx WY0532 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Henry’s Fork Uinta WY Eocene Bridger mammals-Palaeosyops,Minerva;Squamata;turtles-Anosteira WY0533 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Henry’s Fork Hill Uinta WY Eocene Bridger crocodiles-Allognathosuchus,Crocodylus,Pristichampsus;Squamata-Glyptosaurus,Saniwa;turtles-Echmatemys WY0534 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Henrys Fork (of the Green River) Uinta WY In area exposures around Beaver Creek,Birch Creek,Burnt Fork,and Lonetree Eocene Bridger mammals-Didelphodus,Helaletes,Hemiacodon,Homacodon,Hyopsodus,Hyrachyus,Isectolophus,Leptomeryx,Limnohyops,Mesatirhinus,Metarhinus,Microsyops,Nyctitherium,Omomys,Orohippus,Palaearctonyx,Palaeictops,Palaeosyops,Pantolestes,Paramys,Reithroparamys… WY0535 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Henrys Fork Divide Uinta WY Eocene Bridger mammals-Hyrachyus,Pontifactor,Telmatherium WY0536 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Henrys Fork Hill Uinta WY Eocene Bridger Upper Vertebrates-Rhineastes WY0537 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Knight Draw Uinta WY Eocene Knight vertebrates-Hyopsodus WY0538 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
La Barge Uinta WY along La Barge Creek Paleocene Almy? mammals,algae WY0539 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Laclede meadows Uinta WY West of Haystack Mountain Eocene Bridger mammals-Palaeosyops; turtles-Baena WY0540 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Leavitt Creek Uinta WY in basin and along divide with Little Dry Creek Eocene Bridger crocodiles-Diplocynodon; mammals-Minerva; turtles-Baena,Echmatemys,Trionyx WY0541 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Leavitt Creek Canyon Uinta WY Eocene Bridger mammals-Hyopsodus,Notharctus WY0542 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Little Dry Creek Uinta WY Eocene Bridger crocodiles-Crocodylus,mammals-Helaletes,Hyopsodus,Hyrachyus,Isectolophus,Miacis,Notharctus,Orohippus,Palaeosyops,Paramys,Sciuravus,Uintacyon,Viverravus WY0543 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Little Dry Creek Uinta WY At Lodgepole Trail Crossing Eocene Bridger Squamata-Saniwa WY0544 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lone Tree Uinta WY Lone Tree Post Office on Henry’s Fork Eocene Bridger Squamata;turtles-Anosteira,Eosuchia WY0545 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Lyman Uinta WY in area badlands Eocene Middle Bridger? amblypods,crocodiles,perissodactyls WY0546 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Mammoth Buttes Uinta WY Listed as both Uinta and Sweetwater County-the buttes cross the county line? Eocene Bridger crocodiles-Allognathosuchus,Crocodylus;mammals-Achaenodon,Dolichorhinus,Eobasileus,Eomoropus,Palaeosyops,Uintatherium;Squamata-Saniwa WY0547 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Millersville Uinta WY Eocene Bridger mammals-Hyopsodus WY0548 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Millersville Uinta WY Eocene Wasatch (WY) Turtles-Echmatemys WY0549 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Millersville Uinta WY Area -8km E Eocene Bridger mammals-Helaletes,Hyopsodus,Hyrachyus,Omomys,Paramys,Proviverra WY0550 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Minersville Uinta WY 10km SW Eocene Bridger mammals?-Proviverra;turtles-Hadrianus,Plastomenus;Squamata-fragments WY0551 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Mountain View Uinta WY Eocene Uinta mammals-Palaeosyops WY0552 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Painted Turtle Bench Uinta WY Eocene Bridger mammals-Microsyops,Notharctus WY0553 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Sage Creek Uinta WY At Sage Creek Springs? Eocene Bridger mammals-Palaeosyops; turtles-Trionyx WY0554 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Sage Creek Uinta WY area outcrops around mouth of creek and possibly elsewhere Eocene Bridger mammals-Centetodon,Entomolestes,Helaletes,Hyopsodus,Hyrachyus,Leptotomus,Manteoceras,Microsyops,Notharctus,Orohippus,Palaeosyops,Paramys,Pontifactor,Sciuravus WY0555 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Sage Creek Basin Uinta WY Several sites listed as ‘LSV-‘ Eocene Bridger mammals-Entomolestes,Omomyidae WY0556 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Sage Creek Quarry Uinta WY Eocene Bridger mammals-Apatemys,Centetodon,Helaletes,Helohyus,Hyopsodus,Leptotomus,Orohippus,Pantolestes,Paramys,Pauromys,Peradectes,Sciuravus,Tetrapassalus WY0557 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Stockyard Uinta WY Grizzly Buttes-East Eocene Bridger turtles-Echmatemys WY0558 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Sulphur Creek Uinta WY 15 km in thin carbonaceous shales Cretaceous Lower Bear River (WY) fossils WY0559 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Summers Dry Creek Uinta WY Eocene Bridger mammals-Antiacodon,Dilophodon,Helohyus,Hyopsodus,Hyrachyus,Leptotomus,Limnocyon,Miacis,Mesatirhinus,Microsyops,Notharctus,Orohippus,Pantolestes,Patriofelis,Peratherium,Sciuravus,Thinocyon,Thisbemys,Trogosus,Uintanius,Washakius,Viverravus WY0560 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Summers Dry Creek Uinta WY Area exposures around mouth Eocene Bridger crocodile bones-Crocodylus;turtles-Hadrianus WY0561 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Uinta Basin Uinta WY in Parachute creek member Eocene Green River insects Lithohypoderma WY0562 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– Washakie WY Eocene Willwood mammals-Protoreodon WY0578 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Banjo Quarry Washakie WY Eocene Willwood mammals-Parapternodus,Parectypodus,Peradectes,Pontifactor WY0623 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Big Cedar Ridge Washakie WY near Tensleep along East face of Ridge. 26 km E of Worland on Wy16 S on Blue Bank Rd 24km S. Cretaceous Meeteetse Plants WY0565
Big Horn Basin Washakie WY Cretaceous Mesaverde Garfish scales,Lepisosteus Reptile bones -Champsosaurus,Hadrosaurs,Mammal bones – Mesodma WY0566 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Bighorn Basin Washakie WY Multiple localities? 4,8kmS of Shoshone River-4.8km N of Ralston Eocene Willwood Mammals-Anacodon,Anaptomorphus,Cantius,Centetodon,Didymictis,Dipsalidictis,Esthonyx,Hapalodectes,Haplomylus,Hyopsodus,Leptotomus,Macrocranion,Microsyops,Oxyaena,Pachyaena,Palaeanodon,Palaeictops,Palaeosinopa,Paramys,Pelycodus,Phenacodus,Phenacolemur,Plagioctenodon,Pseudotomus,Talpavoides,Teilhardina,Tetonius,Thryptacodon,Viverravus WY0567 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Buffalo Basin Washakie WY Multiple localities? 27.2km E of Squaw Nipple Butte Eocene Willwood mammals-Anacodon,Anaptomorphus,Apheliscus,Arfia,Cantius,Coryphodon,Diacodexis,Didymictis,Eohippus,Esthonyx,Hapalodectes,Heptodon,Homogalax,Hyopsodus,Hyracotherium,Miacis,Oxyaena,Pachyaena,Paramys,Pelycodus,Phenacolemur,Prolimnocyon,Sinopa,Stypolophus,Systemodon,Tetonius WY0568 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Campbell Quarry Washakie WY Eocene Willwood mammals-Diacodexis,Ectocion WY0624 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Hot Springs Washakie WY Paleocene Evanston? Mammals-Myrmecoboides WY0203 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Slick Rock Quarry Washakie WY Eocene Willwood mammals-Plagioctenodon,Teilhardina,Tetonius WY0625 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Supersite Quarry Washakie WY Eocene Willwood Arfia,Apheliscus,Diacodexis,Ectocion,Niptomomys,Phenacolemur,Plagioctenodon,Thryptacodon WY0626 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Tensleep Washakie WY 16km E Cretaceous Cody Sandstone mollusks Isocardia; cephalopods Scaphites WY0572 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Two Head Hill Washakie WY Eocene Willwood mammals-Esthonyx,Phenacolemur,Uintacyon WY0627 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Wadi Krauss Quarry Washakie WY Eocene Willwood Mammals-Scenopagus WY0628 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Worland Washakie WY Cretaceous Mesaverde mammals-Alphadon,Cimolomys,Didelphimorphia,Paranyctoides;fish and shark teeth-Cretorectolobus,Enchodus,Hybodus,Hypotodus,Ischyrhiza,Lepisosteus,Micropristis,Myledaphus,Odontapsis,Parabula,Plicatolamna,Protoplatyrhina,Ptychotrygon,Scapanorhynchus… WY0575 Until such time as I locate Case’s original paper(s),I have included all the ‘Case Sites’ in this item. One site is at in SW1/4S22T48NR91W,WY. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Worland Washakie WY S along US20 along bighorn River Petrified Wood. WY0576
Worland Washakie WY W at Fifteen Mile Creek Eocene Willwood mammal teeth Coryphodon,Hyracotherium WY0577 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Beaver Creek Weston WY Cephalopods Oxybeloceras WY0579
Gunsight Ledge Weston WY In Thunder Basin National Grassland Cretaceous Lance gar fish,lizards WY0580 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Hoodoo Point Weston WY In Thunder Basin National Grassland Cretaceous Lance diverse microvertebrate fauna-sharks,fish,diverse reptiles,mammals WY0581
Newcastle Weston WY vertebrates – Ptychodus WY0582
Osage Weston WY Cretaceous Mowry plesiosaur bones-Myopterygius WY0583 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– [?] WY Cretaceous Lance Ankylosaur — Ankylosaurus WY0588 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– [?] WY Triassic Chugwater reptiles-Paleorhinus WY0589 CAUTION:Collecting vertebrate material in the US requires landowner or government permission
– [?] WY Regional exposures in NE part of state Paleocene Fort Union Fossil Plants WY0590
– [?] WY US18 at South Dakota Line Jurassic Sundance cephalopods WY0591
Big Brown Buttes[?] [?] WY Eocene Bridger vertebrates-Crocodile WY0584 Can’t locate ‘Big Brown Buttes’ in WY. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Slate Creek [?] WY 120km N Eocene Green River fish-Diplomystus WY0585 There are several Slate Creeks in Wyoming including both Lincoln and Sweetwater counties. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Thunder Basin National Grassland [?] WY Cretaceous Lance Vertebrate microfossils WY0586 Thunder Basin National Grasslands covers parts of Campbell,Weston and Converse Counties. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
Tiven Creek[?] [?] WY Eocene Green River fish-Phareodus WY0587 couldn’t locate a Tiven Creek in Wyoming. CAUTION:Collecting vertebrate material in the US requires landowner or government permission
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