Location County State/Province Directions,Notes Age Formation Fossils Comments Reference Lat-Long
– – IL Along the Mississippi River from Cairo,IL to Baton Rouge,LA in loess (wind blown silt) deposits ranging from 9 to 23 meters in thickness and 50 to 100km in width (thicker in North and better developed on E side of river) Pleistocene terrestrial and occasional lacustrian gastropods. A few bivalves IL0001
LaFarge – IL Pennsylvanian? plants http://www.esconi.org/ESCONI Newsletter PDF/ESCONI_Newsletter_11-2007.pdf
Lone Star – IL Lone Star Pit #3 Pennsylvanian Braidwood? plants?,marine fossils-crinoids http://www.esconi.org/ESCONI Newsletter PDF/ESCONI_Newsletter_11-2007.pdf
– Adams IL In S part of County in coal beds corals: Lithostrotion,Archimedes,Bryozoa IL0005
– Adams IL In marine shales Pennsylvanian Pelecypod-Euchondria http://books.google.com/books?id=svVskArvqRAC&pg=PA116&lpg=PA116&dq=abbott+pennsylvanian+fossils&source=web&ots=lOtHaJf56y&sig=NJ5TQEVUMG0nHqmfhmFd1_ZhOUg#PPA113,M1
– Adams IL throughout county in dark gray shales Pennsylvanian Des Moines pelecypods – Euchondria; Aviculopecten IL0006
Clayton Adams IL 2 km SE in coal exposures along branch of McGee’s Creek sw1/4s34t1nr5w Discina,Aviculopecten IL0002 Discina is both a genus of brachiopod and a genus of fungus
Quincy Adams IL Mississippian Keokuk Fish teeth-Chomatodus,Cochliodus,Deltodus,Ichthyodorulites,Orodus,Psammodus,Sandalodus IL0003
Quincy Adams IL NE in old quarries Archimedes,Agaricocrinus,Actinocrinus,Spirifer,Productus,Zaphrentis IL0004
Thebes Alexander IL 3 km below along Orchard Creek Silurian Lower Cincinnatian Glyptocrinus,Chaetetes,Asaphus,Orthis,Strophomena,Conularia,Cyclonema,Cyrtolites IL0007
Thebes Alexander IL 4 km above Silurian Clear Creek Limestone Dalmanites,Strophomena IL0008
Belvidere Boone IL 6 km NW Ordovician Galena Receptaculites,Murchisonia,Pleurotomaria,Ambonychia,Bellerophon,Orthoceras IL0009
– Brown IL Early Pennsylvanian plants in shales at ‘Spencer Farm’ Pennsylvanian Paleipteridium,Eremopteris,Alloiopteris,Gulpenia[?],Megalopteris IL0014 No citations for ‘Gulpenia’ 050527
– Brown IL In northeastern part of County along LaMoine river in river bluff and road cuts. Pennsylvanian Lower Caseyville Sandstone 29 Genera of Plants Megalopteris,Noeggerathiales IL0015
Chambersburg Brown IL In Limestone outcrops in bed of McGee’s Creek Agaricocrinus,Archimedes,Spirifer IL0010
LaMoine Brown IL in river bluffs and road cuts. Spencer Farm Flora excellent fossils IL0011
LaMoine River Brown IL in NE part of county in area road cuts Pennsylvanian Caseyville 29 plant species IL0012
Mount Sterling Brown IL 10 km S on Dry Fork of McGee’s Creek in Limestone and Sandstone Mississippian Lithostrotion,Archeocidaris,Granatocrinus IL0013
Sheffield Bureau IL Area strip mines Coelenterates -Lophophyllidium; Brachiopods – Neospirifer. IL0016
– Carroll IL area exposures Ordovician Cincinnatian faunas IL0020
Mount Carroll Carroll IL In lead mines N and W of town Ordovician Galena Receptaculites,large Orthoceras,corals,abundant trilobite fragments IL0017
Savannah Carroll IL area exposures Brachiopods -Pentamerus; Coelenterates – Thecia,Catenipora; Arthropods -Isotelus,Blainia IL0018
Savannah Carroll IL quarries above and below town in limestones Silurian Lower Large perfect trilobites -Asaphus,Orthis,Orthoceratites,Chaetetes,trilobite fragments IL0019
– Clinton IL along S county line in Upper Coal Measures Pennsylvanian pelecypods – Streblochondria IL0022
Carlyle Clinton IL N1/4S19T2r2 in banks and bed of Okaw River – Bryozoa,Productus,Spirifer IL0021 Unable to identify a Shoal Creek formation in IL
Blue Island Cook IL Silurian Conularia IL0023
Blue Island Cook IL 2 km SW about 11 km NW of Thornton in quarries Ostrocerata[?],fucoids(traces) IL0024 No citations for ‘Ostrocerata’ 050527
Bridgeport Cook IL In area quarries Favosites,Diphyphyllum,Halysites,Caryocrinus,Atrypa,Meristella,Spirifer,Pentamerus,Strophomena. Pleurotomaria,others IL0025
Chicago Cook IL In area quarries Pentamerus,Pleurotomaria,shells,trilobite fragments. corals,crinoids IL0026
Evanston Cook IL N of University Grove along Lake Michigan shoreline,fresh water fossils Unio,Pisidium,Physa,Lymnaea,Planorbis,Valvata,Amnicola,Melontho,Ancylus,etc IL0027
Old Thornton Cook IL In area Limestone quarries Pentamerus,Favosites IL0028
Thornton Cook IL in reef exposures in large quarries at intersection of IL43 and IL394 Silurian Racine brachiopods,crinoids IL0029
– DeKalb IL In glacial drift Pleistocene mammal bones and teeth,Petrified Wood,Crustacea in nodules,fish bones,fish teeth,Mollusks: Turritella,Cancellaria IL0035
Aurora DeKalb IL In RR cuts of Chicago,Burlington and Quincy RR outside city bones and teeth of Mastodon. IL0030
Fox River DeKalb IL meters in S3t4r8 in Silurian Niagaran Orthis,Strophomena,Leptaena,etc IL0031
Milan DeKalb IL Mississippian St Louis fish-Psephodus teeth IL0032
Milan DeKalb IL Collinson Quarry in fracture fill material Pennsylvanian Abbott|Spoon Vertebrate-Cricotus IL0033
Stewartsville DeKalb IL N of town on N bank of Kishwaukee River Ordovician Cincinnatian trilobite fragments IL0034
– Du Page IL In glacial drift Pleistocene mammal bones and teeth,mastodon,Castoroides IL0036
Paris Edgar IL N on US150 3.2km from Twin Lakes Dam. E 3.2km. S 320m. E 3.2km to St Aloysius Churrch. N to abandoned Quarry NE1/4S10T14NR11W Pennsylvanian marine fossils https://scholarworks.iu.edu/dspace/bitstream/2022/280/1/C06.pdf
Teutopolis Effingham IL 1.6km N Gastropods-Baylea IL0037
Christopher Franklin IL Old Ben No 11 Mine Pennsylvanian Energy Shale Well preserved tree ferns http://library.isgs.uiuc.edu/Pubs/pdfs/circulars/c492.pdf
– Fulton IL in black shales in spoil piles of Alden Mine #5 Pennsylvanian Carbondale plant fossils,fish fragments,brachiopods IL0040
Alden Mine Fulton IL on waste piles in pyrite concretions Pennsylvanian Carbondale plants,brachiopods IL0038
Alden Mine No 5 Fulton IL Pennsylvanian Carbondale in concretions – Lepidodendron,Brachiopods,sponges,fish fragments,Phyllocarid fragments. IL0039
– Gallatin IL At bridge over N fork of Saline River Pennsylvanian Pelecypod-Psuedomontis http://books.google.com/books?id=svVskArvqRAC&pg=PA116&lpg=PA116&dq=abbott+pennsylvanian+fossils&source=web&ots=lOtHaJf56y&sig=NJ5TQEVUMG0nHqmfhmFd1_ZhOUg#PPA113,M1
Saline River Gallatin IL In shales along creek Selenimyalina IL0041
Saline River Gallatin IL at bridge over N branch in dark Limestone Pennsylvanian pelecypods – Pseudomonotis IL0042
Braceville Grundy IL – http://www.esconi.org/ESCONI Newsletter PDF/ESCONI_Newsletter_11-2007.pdf
Dresden Lake Grundy IL In ironstone concretion Pennsylvanian Francis Creek Paleoniscoid fish IL0043
East Brooklyn Grundy IL E on road to Essex in Pit 14 of Peabody coal Co. Gastropods — Glabocingulum,Euphemites,Conodonts,Shark teeth — Cladodus,Edestus,Listracanthus spines,Fish fragments in shales IL0044 ‘Globrocinglum’ in the original
Mazon Creek Grundy IL A series of strip mines running SSW to NNE across I55 N of the IL113 intersection. The junction of IL113, IL129 and IL53 is near the E end of the mined area. {9} V11 No4 in ironstone nodules Pennsylvanian Mazon Creek well preserved plants and rarely animals IL0045
Mazon Creek Grundy IL Coal City in ironstone nodules Pennsylvanian Mazon Creek well preserved plants and rarely animals IL0046
Mazon Creek Grundy IL Greer School of Heavy Earth Moving in ironstone nodules Pennsylvanian Mazon Creek well preserved plants and rarely animals IL0047
Mazon Creek Grundy IL Mazon Creek #1 vertebrates-Elonichthys,Platysomus,Sagenodus IL0048
Mazon Creek Grundy IL Most of the surface area of Grundy County,IL,in ironstone nodules Pennsylvanian Mazon Creek well preserved plants and rarely animals IL0049
Mazon Creek Grundy IL Pit 11 of Peabody Coal Co,Will County in ironstone nodules Pennsylvanian Mazon Creek well preserved plants and rarely animals IL0050
Morris Grundy IL 6.2 km SE in 6 meters of sandy shales overlying coal in Mazon Creek in nodules in sandstone in ironstone nodules Pennsylvanian Mazon Creek well preserved plants and rarely animals IL0051
Peabody Coal Pit 14 Grundy IL Pennsylvanian vertebrates-Listracanthus,Paleoniscoid IL0052
Pit 6 Grundy IL In ironstone concretion Pennsylvanian Francis Creek Paleoniscoid fish IL0053
Dresden Lakes Grundy? IL Mazon Creek nodules — Fee area Pennsylvanian Plants,invertebrates IL0054 Can’t locate Dresden Lakes IL
Brunce’s[?] Creek Hancock IL limestones Mississippian Keokuk mollusks,corals,crinoids,trilobites,fish spines,teeth IL0055 Unable to locate ‘Brunces Creek’ or anything similar in Hancock County
Crooked Creek Hancock IL limestones Mississippian Keokuk mollusks,corals,crinoids,trilobites,fish spines,teeth IL0056
Dallas City Hancock IL Mississippian Keokuk Fish teeth-Mesodmodus IL0057
Eastern Hancock County Hancock IL limestones in river banks Mississippian Keokuk mollusks,corals,crinoids,trilobites,fish spines,teeth IL0058
Hamilton Hancock IL brachiopods -Echinoconchus IL0059
Hamilton Hancock IL Opposite Keokuk,Iowa Mississippian Keokuk Fish teeth-Antliodus,Bradyodont,Cladoselache,Cochliodus,Orodus IL0060
Nauvoo Hancock IL Mississippian Keokuk Fish teeth-Cladoselache,Cochliodus,Deltoptychius,Sandalodus IL0061
Nauvoo Hancock IL In area quarries Mississippian Keokuk mollusks,corals,crinoids – Agaricocrinites,Platycrinus,trilobites,fish (48 species),bryozoa,Brachiopods – Spirifer IL0062
Plymouth Hancock IL NW at old Colchester Quarry brachiopods,corals,crinoids IL0063
Warsaw Hancock IL Bryozoa Archimedes IL0064
Warsaw Hancock IL Mississippian Bryozoa – Archimedes IL0065
Warsaw Hancock IL In area Limestone quarries Carboniferous Archimedes,bryozoa – Coscinium,Brachiopods,Conularia,Crinoids – Cyathocrinus,Platycrinus,Platycrinus,Rhodocrinus IL0066
Cave In Rock Hardin IL At Hastie’s Quarry at junction between Levias and Renault formations Mississippian Paoli|Mooretown Fossil debris? abundant echinoderm fragments-crinoids,Pentremites,Diploblastus and brachiopods-Composita,Cleiothyridina Paleolist- 02/03/2008 08:19 PM
Hardin County Hardin IL Limestone outcrops Mississippian St Louis silicified corals – Lithostrotion,mollusks,brachiopods IL0068
Bald Bluff Henderson IL In Limestone outcrops Mississippian Lower Burlington Limestone crinoids – Actinocrinus,brachiopods – Productus,Spirifer,Athyris,ammonites IL0069
Atkinson Henry IL Marine faunas in abandoned strip mines Cephalopods – Endolobus,Michelinoceras,Gonioceras,Dimorphoceras; Gastropods – Bembexia,Natica,Vivaparus,Lunatia,Planorbis,Bucania,Pharkidonotus,Straparolus,Cyrtolites,Meekospira,Trepospira,Cymatospira; Brachiopods – Marginifera,others IL0070
Knightston Henry IL on Blue River in Limestone Silurian Calymene IL0071 There are several towns called Knightston in the US,but there does not seem to be one in Illinois.
– Jackson IL in sandstone outcrops in streams and creeks W of IL127 Pennsylvanian Caseyville plant fossils – Calamites,Trigonocarpus,Lepidodendron,Syringodendron. IL0076
Carbondale Jackson IL in Pennsylvanian coal shales Pennsylvanian mollusks Shansiella (pyritized) IL0072
Carbondale Jackson IL in strip mine in Energy shale adjacent to Herrin No 6 coal seam http://www.science.siu.edu/geology/big/paper.htm Pennsylvanian Carbondale plants,crustacea,a few marine animals IL0073
Grand Tower Jackson IL in spoil banks from dredging fossils IL0074
Murphysboro Jackson IL in creekbeds W of IL127 8km S. Pennsylvanian Lower Caseyville Sandstone Calamites,Trigonocarpus,Lepidodendron,Syringodendron. IL0075
Grafton Jersey IL Trilobites Calymene IL0077
Grafton Jersey IL Silurian Edgewood Trilobites Calymene IL0078
Grafton Jersey IL Silurian Racine Trilobites – Calymene IL0079
Grafton Jersey IL 8 km downstream Mississippian Kinderhook a few brachiopods – Spirifer,Productus,Athyris. A few ammonites. IL0080
Cordova Jo Daviess IL A variety of corals in area quarries corals IL0081
Cordova Jo Daviess IL In quarries and other Limestone exposures Silurian Niagaran Pentamerus,Favosites,Halysites,Astrocerium,Stromatopora IL0082
Elizabeth Jo Daviess IL at N end of Terrapin Ridge in milky shales and clays corals – Chaetetes IL0083
Hanover Jo Daviess IL at dam in massive dolomite pelecypods,gastropods,Lingula IL0084
LeClaire Jo Daviess IL In quarries and other Limestone exposures Silurian Niagaran Pentamerus,Favosites,Halysites,Astrocerium,Stromatopora IL0085
Pleasant Valley Township Jo Daviess IL 1 km SE in wall of Plum River Valley gastropods,Orthoceras IL0086
Racine Jo Daviess IL In quarries and other Limestone exposures Silurian Niagaran Pentamerus,Favosites,Halysites,Astrocerium,Stromatopora IL0087
Vienna Johnson IL adjacent to Interstate www.science.siu.edu/geology/outreach/vienna.htm Mississippian Menard bryozoa,brachiopods,mollusks,crinoids,corals,blastoids IL0088
– Kane IL In glacial drift Pleistocene mammal bones and teeth IL0089
Manteno Kankakee IL 2.5 km SW On S slope of hill Silurian Racine brachiopods – Kirkidium IL0090
– Kendall IL area exposures Ordovician Cincinnatian faunas IL0096
Bristol Kendall IL at mill dam on Blackberry Creek Orthoceras,Ambonychia. trilobite fragments IL0091
Lisbon Kendall IL In area quarries Receptaculites,Orthis,Zaphrentis etc IL0092
Oswego Kendall IL along Waubansia Creek Silurian Lower Cincinnatian Strophomena,Orthis,Chaetetes,Rhynchonella,Tentaculites IL0093
Oswego Kendall IL area quarries and exposures Silurian Lower Cincinnatian Strophomena,Orthis,Chaetetes,Heterocrinus,Nautilus,Tentaculites IL0094
Yorkville Kendall IL below along river for 5 km in limestones trilobites – Calymene,Asaphus IL0095
Galesburg Knox IL Pennsylvanian Vertebrates-Symmorium IL0097
Wolf Covered Bridge Knox IL on Spoon River. Marine invertebrates in Pennsylvanian Carbondale in cutbank. IL0098
– La Salle IL In Marquette Cement Co Quarry,S face in Pennsylvanian LaSalle Limestone Sharks teeth,brachiopods,Corals. IL0102
Jonesville La Salle IL E on Hwy71 in road cut Pennsylvanian LaSalle Limestone brachiopods,bryozoa,stromatoporoids IL0099
LaSalle La Salle IL in ironstone nodules Pennsylvanian Mazon Creek well preserved plants IL0100
Oglesby La Salle IL at Lone Star Quarry Pennsylvanian brachiopods,fish teeth,pelecypods,coral IL0101
Zion Lake IL Silurian brachiopod IL0103
Dixon Lee IL Ordovician Brachiopods Rafinesquina IL0104
Dixon Lee IL above town coral – Favosites,Encrinites,trilobites,Leptaena,Strophomena,Orthis,abundant IL0105
Dixon Lee IL area quarries and RR cuts casts of Lingula,Murchisonia,Orthoceras,Ambonychia,Receptaculites,Chaetetes,Rare Calymene,Orthoceras. IL0106
– Livingston IL In ironstone nodules Pennsylvanian Mazon Creek well preserved plants IL0111
Eppards Point Township Livingston IL near Pontiac in quarry Pennsylvanian Upper Bond excellent crinoids IL0107
Fairbury Livingston IL in Pennsylvanian shales Pennsylvanian Plants Sigillaria IL0108
Pontiac Livingston IL In Pennsylvanian Bond Formation (LaSalle Limestone member) in Wagner Stone Co Quarry in Eppards Township. Pennsylvanian Bond Well Preserved crinoids. IL0109
Pontiac Livingston IL at Eppards Point Township in quarry Pennsylvanian LaSalle Limestone crinoids IL0110
Decatur Macon IL Pennsylvanian Vertebrates-Edestus IL0112
Carlinsville Macoupin IL Mississippian Vertebrates-Cladodus,Deltodus,Haplolepis?,Helodus,Listracanthus,Petalodus,Petrodus,Sandalodus IL0113
Alton Madison IL Mississippian St Louis fish teeth/spines-Acondylacanthus,Amacanthus,Asteroptychius,Bythiacanthus,Cladodus,Coelosteus,Ctenacanthus,Dactylodus,Harpacanthus,Petalodus,Polyrhizodus,Psammodus,Rhizodus,Sandalodus,Stethacanthus IL0114
Alton Madison IL In area outcrops and quarries Mississippian Pentremites,Rhynchonella,Retzia,Productus,Lithostrotion,Bellerophon,Allorisma,Conularia IL0115
Alton Madison IL in quarry Ordovician trilobites IL0116
Centralia Marion IL Pennsylvanian Centralia Limestone pelecypods – Acanthopecten IL0117
Centralia Marion IL At Crooked Creek Pennsylvanian Altamont Pelecypod-Acanthopecten http://books.google.com/books?id=svVskArvqRAC&pg=PA116&lpg=PA116&dq=abbott+pennsylvanian+fossils&source=web&ots=lOtHaJf56y&sig=NJ5TQEVUMG0nHqmfhmFd1_ZhOUg#PPA113,M1
Colchester McDonough IL on coal mine dumps fossil plants IL0118
Coleman McDonough IL S in RR cuts well preserved Zaphrentis,Spirifer,Agaricocrinus,Actinocrinus,Barycrinus,Archimedes,Hemiponites,Phillipsia,fish teeth IL0119
Greenview Menard IL In bituminous shale between Fort Scott Limestone and underlying coal Euchondria IL0120
Greenview Menard IL in shale Roof of Greenview coal mine Pennsylvanian Fort Scott Limestone Pelecypod-Euchondria http://books.google.com/books?id=svVskArvqRAC&pg=PA116&lpg=PA116&dq=abbott+pennsylvanian+fossils&source=web&ots=lOtHaJf56y&sig=NJ5TQEVUMG0nHqmfhmFd1_ZhOUg#PPA113,M1
Matherville Mercer IL Plant fossils – Lepidodendron IL0121
Columbia Monroe IL 2 km E in Limestone quarries corals,bryozoa IL0122
Salt Lick Point Monroe IL In river bluffs Mississippian Lower Burlington Limestone brachiopods,crinoid fragments IL0123
Valmeyer Monroe IL Overgrown road cut 8km E of on IL156 ? IL0124
Waterloo Monroe IL 16 km SE in ‘Portland Quarries’ fossils IL0125
Waterloo Monroe IL 2 km E in Limestone above sandstone beds Nautilus,Goniatites,Orthoceras IL0126
Waterloo Monroe IL 4 km W on Fountain Creek in Limestone Straparollus,Dentalium,Nuculana,Yoldia? Rhynchonella,Terebratula,Hemiponites,crinoids IL0127
Polo Ogle IL In area Limestone exposures Pennsylvanian[?] Blue Creek[?] Orthoceras to 23cm in diameter and 3 meters in length IL0128 Possibly the Pennsylvanian Blue Creek Coal?
Polo Ogle IL along Pine Creek fossils IL0129
Kickapoo Valley Peoria IL In Limestone quarries on S side in s14t8nr7e Spirifer,Athyris,Retzia,Platystoma,Chaetetes (to 70cm). IL0130
Kingston Peoria IL 2 km downstream at Lancaster Landing in coal mine dumps Lingula,Discina,Athyris,Aviculopecten,Petrodus,Listracanthus,Pleurotomaria,Crinoid fragments. IL0131 Original location is ‘Kingstone’. Closest match is ‘Kingston Mines’
DuQuoin Perry IL Pennsylvanian Well preserved tree ferns http://library.isgs.uiuc.edu/Pubs/pdfs/circulars/c492.pdf
Perry County Perry IL county wide on coal mine dumps and other exposures of coal measures plants,brachiopods,crinoids IL0132
Griggsville Landing Pike IL In Limestone outcrops and quarries Mississippian Burlington Limestone abundant Spirifer,Productus,Strophomena,Orthis,Euomphalus,Lyropora,Evactinopora,Agaricocrinus,Platycrinus,Phillipsia IL0133
Bay City Pope IL Pennsylvanian Well preserved tree ferns http://library.isgs.uiuc.edu/Pubs/pdfs/circulars/c492.pdf
Lusk Creek Pope IL at crossing of the Marion road s21.16t12r6 in sandstone ledges in Limestone Mississippian Chester Archimedes,Productus,Spirifer,Spiriferina IL0134
Olmstead Pulaski IL In quarry of cat litter plant Paleocene Clayton two crocodile teeth,Turtle-Trionyx IL0135
Chester Randolph IL Blastoids Pentremites IL0136
Chester Randolph IL 1 km E in Limestone in quarry Nautilus to 50cm IL0137
Chester Randolph IL in area quarries and excavations in limestones Mississippian Chester plants,shells crinoid plates – Pentremites,Zeacrinus. Agassizocrinus; coral – Zaphrentis;bryozoa – Lyropora,Archimedes; brachiopods – Spirifer IL0138
Evansville Randolph IL brachiopods -Diaphragmus IL0139
Evansville Randolph IL brachiopods -Diaphragmus IL0140
Gravel Creek Randolph IL 6-8 km N of Chester Allorisma,Myalina,Schizodus IL0141
Kaskaskia Randolph IL In bluff on E side of Okaw River in Limestone escarpment Pentremites,Forbesiocrinus,Zeacrinus,Agelacrinus,Athyris,Retzia,Productus IL0142
Prairie de Rocher Randolph IL 2 km above in Limestone exposures Lithostrotion,Hemiponites,Spirifer,Platycrinus IL0143
Hampton Rock Island IL 2 km below in gray Limestone along Rock and Mississippi Rivers to S of County Line Devonian corals,Averularia,Phillipsastraea; brachiopods,Orthis,Spirifer IL0144
Milan Rock Island IL Colinson Quarry Devonian Cedar Valley Cephalopods,Anthozoa,Trilobites (Phacops) in Devonian Cedar Valley Limestones. Vertebrate found in Pennsylvanian Crevice Fill. IL0145
Milan Rock Island IL Collinson Quarry near junction of Hwy 67 and Hwy 92. Devonian Cedar Valley Corals – Cladopora,Favosites,Hexagonaria,Phillipsastraea,Striatopora,Syringopora,Zaphrentis; brachiopods — Atrypa,Dielasma,Pentamerella,Platyrachella,Productella,Spinocyrtia,Spirifer,Stropheodonta;Clear calcite IL0146
Rock Island Rock Island IL In area Limestone quarries Devonian Atrypa,Orthis,Strophomena,corals -Cyathophylloid IL0147
Springfield Sangamon IL 10 km NW 75 species;Corals – Syringopora,brachiopods,mollusks,gastropods -Bellerophon,Pleurotomaria IL0148
Springfield Sangamon IL S on Sugar Creek 75 species; Corals – Syringopora,brachiopods,mollusks,gastropods -Bellerophon,Pleurotomaria IL0149
Springfield Sangamon IL on Sugar Creek in fossiliferous Limestone in State House Quarry Carboniferous Productus,Petalodus,Chomatodus,Sandalodus IL0150
Virden Sangamon IL In area quarries Syringopora,etc IL0151
Schuyler County Schuyler IL In area quarries Carboniferous Des Moines typical fossils in large concretions in shale –Aviculopecten,Cardiomorpha,Goniatites,Productus,Chonetes,brachiopods IL0152
Glasgow Scott IL In bluffs on E side of river S to mason’s Landing Mississippian Lower Burlington Limestone abundant brachiopods -Productus,Spirifer,Euomphalus IL0153
Belleville St Clair IL Pennsylvanian Vertebrates-Edestus IL0154
Belleville St Clair IL In area coal mine dumps Bellerophon,Euomphalus,Leda,Naticopsis IL0155
Caseyville St Clair IL Pennsylvanian Caseyville Limestone mollusks Straparolus IL0156
Caseyville St Clair IL In area Limestone exposures Carboniferous Spirifer,Athyris,Bellerophon,Macrocheilus IL0157
Caseyville St Clair IL In area coal mine dumps Bellerophon,Euomphalus,Leda,Naticopsis IL0158
Pittsburg St Clair IL In area coal mine dumps Bellerophon,Euomphalus,Leda,Naticopsis IL0159
Richland Creek St Clair IL along West Fork NE corner of t2sr9w Mississippian Archimedes,Pentremites,Spirifer,Spiriferina IL0160
Urbana St Clair IL at Jack’s Run 1 km E of town 1 km above junction with Silver Creek in clayey shale Bellerophon,Pleurotomaria,Polyphemopsis,Nautilus IL0161
Cedarville Stephenson IL In area quarries Receptaculites,brachiopod casts IL0162
Freeport Stephenson IL In area quarries Receptaculites,brachiopod casts IL0163
Loran Stephenson IL on area hillsides Silurian Niagaran corals,Favosites,Halysites IL0164
Winslow Stephenson IL In area quarries casts of Pleurotomaria,Orthoceras to 2 meters,Cypricardites,Onococeras,Tellinomya IL0165
Anna Union IL Mississippian Crinoids,Shark spines,Ctenacanthus IL0166 Unable to identify a ‘Glocanda’ formation
Anna? Union IL Along IL75 to Durand ? IL0167
Jonesboro Union IL along road to Willards Landing in limestones Devonian Strophomena,Platyceras,Calymene,corals IL0168
Danville Vermilion IL In nodules in coal seams fish scales,Aviculopecten,Entolium,Lima,Solenomya,Sanguinolites,brachiopods IL0169
Danville Vermilion IL fossilized forest above Herrin coal bed in strip mines Pennsylvanian Complete ecosystem IL0202
Georgetown Vermilion IL 4.8km below in NE corner s3t17nr11w in coal seams many species of many species,plants,animals IL0171
Vermilion County Vermilion IL In Limestone quarries along Salt Fork abundant Hemiponites,Productus. Athyris,Spirifer,Spiriferina,Retzia,Cyathaxonia,Zeacrinus,bryozoa IL0172
Vermilion County Vermilion IL In Limestone quarries in E part of County abundant Hemiponites,Productus. Athyris,Spirifer,Spiriferina,Retzia,Cyathoxonia,Zeacrinus,bryozoa IL0173
Monmouth Warren IL 5-6 km N on Hwy 67 in Quarry Mississippian Burlington Limestone Crinoids,blastoids IL0174
Monmouth Warren IL in Sonora Sandstone member Mississippian Keokuk|Warsaw fossils IL0175
Fredericksburg Washington IL In cliffs along Blue River from 4 km N of Fredericksburg to the Ohio River Mississippian Paoli Talorocrinus,conodonts IL0176 St Genevieve 20 meters of shaley limestones and limey shales-sands overlying the St Genevieve Limestone and under the Bethel Formation. The Paoli corresponds roughly to the Renault Formation further East.
Fredericksburg Washington IL In cliffs along Blue River from 4 km N of Fredericksburg to the Ohio River Mississippian St Genevieve Talocrinus,conodonts IL0177 St Louis Limestone 20 meters of Shaley limestones and limey Shales-sands overlying the Sanders Group and under the St Genevieve Formation.
Fredericksburg Washington IL In cliffs along Blue River from 4 km N of Fredericksburg to the Ohio River Mississippian St Louis – IL0178
Marissa Mine Washington IL At Peabody coal mine in Mecca fauna Pennsylvanian vertebrates-Caseodus IL0179
Carmi White IL Pennsylvanian Bond|Mattoon Well preserved tree ferns http://library.isgs.uiuc.edu/Pubs/pdfs/circulars/c492.pdf
Morrison Whiteside IL 8 km NE algae – Cryptozoon IL0180
Mount Pleasant Whiteside IL at intersection of IL146 and I-57 (Permit from Illinois Dept of Transportation required) Mississippian fossils IL0181
Mount Pleasant Whiteside IL in Road cut on I46 E of I57 (May require IDOT permit) Mississippian fossils IL0182
Sterling Whiteside IL Silurian Upper Niagara Falls Limestone abundant corals – Halysites,Favosites,Stromatopora,Syringopora IL0183 Sterling,Indiana is in Fountain County
Braidwood Will IL at Mazonia-Braidwood conservation Area. Permit from The Mazon Creek Project,NE,Illinois University,Dept. Earth Sciences, 5500 N. St. Louis Ave.,Chicago,IL, 60625 – to obtain a free permit. Pennsylvanian a few fossiliferous concretions. IL0184
Joliet Will IL at Francey’s Quarry Silurian Racine trilobites IL0185
Joliet Will IL in quarry large complete straight and loosely coiled cephalopods IL0186
Kankakee River Will IL In river bluffs Ordovician Cincinnatian Rhynchonella IL0187
Wilmington Will IL Area exposures of flinty sandstone above light blue shaley Limestone Rhynchonella,Orthis,Leptaena,Strophomena,Orthoceras,tentaculites,corals,bryozoa,crinoid fragments,trilobite fragments IL0188
– Will,Grundy IL Pennsylvanian Carbondale fossil fish IL0189
Durand Winnebago IL E on IL75 Ordovician echinoderms,crinoids — Cremacrinus,Mecocrinus,Dendrocrinus,Culupocrinus IL0190
Rockford Winnebago IL Ordovician Grand Detour brachiopods,bryozoa,trilobites IL0191
Rockford Winnebago IL Along highway leading into town brachiopods,crinoids IL0192
Rockford Winnebago IL on IL2 toward Rockton Ordovician echinoderms,crinoids — Cremacrinus,Mecocrinus,Dendrocrinus,Culupocrinus IL0193
Rockford Winnebago IL on IL2 to N and IL75 W to Durand Ordovician Dunleith|Eagle Point ? IL0194
Rockton Winnebago IL In buff Limestone in area quarries Orthoceras,Cyrtoceras,Lituites,Pleurotomaria,Murchisonia,Orthis,Strophomena,Tellinomya,Ambonychia,zoophytes,coral fragments IL0195
Rockton area Winnebago IL Ordovician Dunleith crinoids Cremacrinus,Mecocrinus,Dendrocrinus,Culupocrinus Along IL2 toward Rockford IL0196
– [?] IL Silurian Racine Dolomite worms IL0198
– [?] IL Silurian Racine Dolomite worms IL0199
– [?] IL NW 1/2 SW 1/4 sec. 15 T 11N R4E vertebrates-Listracanthus IL0200
Southernmost Illinois [?] IL In 6m of sand and clay — generally only a few poorly preserved molds in surface exposures. Reported species are apparently from a clay pit since reclaimed Paleocene Clayton 40 plus species of mollusks,bryozoa,Decapods,a few fish teeth and scales IL0197 http://72.14.253.104/search?q=cache:vLt7J-fUoeAJ:www.science.siu.edu/geology/people/utgaard/Copeetal.pdf+clayton+Illinois+survival&hl=en&ct=clnk&cd=3&gl=us