Minnesota Fossil Sites

Location County State/Province Directions,Notes Age Formation Fossils Comments Reference Lat-Long
– Brown MN in clay pits from Springfield to New Ulm Cretaceous shark teeth,30 species of plants,cephalopods,gastropods,pelecypods MN0001
Franconia Chisago MN along Lawrence Creek Cambrian abundant Dicellomus MN0002
Taylor’s Falls Chisago MN Trace Fossils Skolithos MN0003
Taylor’s Falls Chisago MN Cambrian Franconia trilobites Conaspis,Wilbernia,Taenicephalus,Parabolinoides,Brachiopod Eoorthis MN0004
Taylor’s Falls Chisago MN Cambrian Upper Trilobites Plethopeltis MN0005
Taylor’s Falls Chisago MN Cambrian Upper Franconia trilobites MN0006
Taylor’s Falls Chisago MN 2 km S along Pine Pt Trail in road cuts on US8 many trilobite species MN0007
Taylor’s Falls Chisago MN Along Pine Point Trail 2 km S Cambrian Upper Franconia trilobites Conaspis,Wilbernia,Taenicephalus,Parabolinoides. Brachiopod Eoorthis MN0008
Taylor’s Falls Chisago MN Road cut on US8 2 km S Cambrian Upper Franconia trilobites Conaspis,Wilbernia,Taenicephalus,Parabolinoides. Brachiopod Eoorthis MN0009
Burnsville Dakota MN in area shale and Limestone outcrops in Minnesota River Valley Ordovician crinoids,brachiopods MN0010
Eagan Dakota MN N in Mississippi River bluffs Ordovician fossils MN0011
South St Paul Dakota MN at end of Street car line across River from Highland Park and across River Ordovician St Peter abundant fossils Ctenodonta,Cyrtodonta,Modiolopsis,Holopea,Ophileta,Platyceras,Pleurotomaria,Orthoceras MN0012
Chatfield Fillmore MN 3 km NE of Spring Valley Ordovician-Silurian Lower Trenton bryozoa-Crepipora;Brachiopods-Lingula; trilobites MN0013
Forestville Fillmore MN area quarries Ordovician Galena Receptaculites,Strophomena,Graptolites,Orthis,Orthonota,Orthis MN0014
Fountain Fillmore MN 11 km along US52 Cryptozoon MN0015
Fountain Fillmore MN area outcrops Ordovician Trenton corals,bryozoa,mollusks,cephalopods – Orthis,Leptaena,Strophomena,Chaetetes,crinoid fragments MN0016
Granger Fillmore MN 3.5 km W in river bluffs Silurian? Galena bryozoa,brachiopods,trilobites,cephalopods MN0017
Granger Fillmore MN area exposures Ordovician Galena bryozoa,brachiopods,trilobites,cephalopods MN0018
Lime City Fillmore MN Ordovician Galena Murchisonia,Maclurea,Strophomena,Endoceras,corals to 9 IN,in diameter MN0019
Mantorville Fillmore MN In area quarries Ordovician Galena Schizotreta MN0020
Spring Valley Fillmore MN 3.5 km E in limestone quarry Ordovician Galena Lingula,Orthis,Lynx,Strophomena,Leptaena,Chaetetes,crinoid fragments MN0021
Spring Valley Fillmore MN Decorah Shale – Greenish gray clayey fossiliferous Ordovician shales Ordovician Decorah ? MN0022
Spring Valley Fillmore MN area exposures Silurian Lower Hudson River Homotrypella MN0023
Wykoff Fillmore MN area Limestone exposures Ambonychia,trilobites,Orthoceras MN0024
Cannon Falls Goodhue MN Brachiopods Rhynchotrema MN0025
Cannon Falls Goodhue MN 10 km S Ordovician Galena bryozoa-Diplotrypa; Sponges-Orbitolites,Selenoides,Receptaculites; Ischadites,Raufella[?],Cylindrocoelia,coral-Lichenaria,Streptelasma MN0026 No citations for ‘Raufella’ 050604
Cannon Falls Goodhue MN 10 km S on US52 in Wagner Quarry in Ordovician Dunleith Brachiopods,bryozoa,Belemnocystids,Scalenocystis[?] MN0027 No citations for ‘Scalenocystis’ 050604. Apparently the Dunleith member of the Galena Formation contains a number of echinoderm genera
Cannon Falls Goodhue MN 21 km S in buff shales Ordovician Galena bryozoa-Diplotrypa,Sponges-Orbitolites,Selenoides,Receptaculites,Ischadites,Raufella,Cylindrocoelia,coral-Lichenaria,Streptelasma MN0028
Cannon Falls Goodhue MN 5 km S in shales Ordovician Trenton coral-Aulopora,bryozoa,mollusks,trilobites,cephalopods MN0029
Cannon Falls Goodhue MN Decorah Shale – Greenish gray clayey fossiliferous Ordovician shales Ordovician Decorah ? MN0030
Cannon Falls Goodhue MN US52 3-5 km S in gray green shales below Platteville Limestone in roadcuts and ditches Ordovician Decorah sponges,corals,brachiopods. A few trilobites MN0031
Hader Goodhue MN area exposures Ordovician Galena Diplotrypa,Mesotrypa?,Plectambonites,Pleurocystites,Fusispira,Lingula,trilobites,brachiopods MN0032
Oxford Mills Goodhue MN In area shale exposures Ordovician Trenton bryozoa – Phylloporina,Lingula,brachiopods,trilobites,cephalopods MN0033
Red Wing Goodhue MN Fossiliferous Cambrian Sandstones ? MN0034
Minneapolis Hennepin MN In RR cut near State University Silurian Lower Bryozoa – Arthroclema,Brachiopods – Lingula MN0035
Minneapolis Hennepin MN In area exposures Ordovician Trenton sponges – Raufella,coral – Lichenaria,bryozoa – Vinella,Stromatopora MN0036
Minneapolis-St Paul Hennepin MN Decorah Shale – Greenish gray clayey fossiliferous Ordovician shales Ordovician Decorah ? MN0037
St Anthony Falls Hennepin MN Gastropod Trochonema MN0038
St Anthony Falls Hennepin MN 3 km below in shales in quarry Ordovician Trenton bryozoa,brachiopods,cephalopods,trilobites,corals – Strophomena,Orthis,Murchisonia,Leperditia,Cypricardites,Bucania MN0039
Reno Houston MN 2 km N at Hell Hollow trilobites Dikelocephalus,Prosaukia,Conaspis,Ptychaspis MN0040
Reno Houston MN in Sandstone bluff along Hwy26 Cambrian Franconia brachiopods,trilobite fragments MN0041
Spring Grove Houston MN In area Limestone outcrops Silurian Lower brachiopods,cephalopods. MN0042
Calumet Itasca MN At Hill-Annex mine – Abundant fossils Cretaceous Colorado mollusks,arthropods,shark teeth,Icthyosaurus,Plesiosaurus,conifer needles,wood,Teredolites MN0043
Grand Rapids Itasca MN 5 km S Abundant Exogyra preserved as limonite casts MN0044
Itasca Itasca MN In SE part of county in abandoned iron mine occasional large shark(?) teeth,Exogyra,Anchura,corals,seeds,leaf impressions MN0045
Kasota Le Sueur MN In quarries along Minnesota River Ordovician Kasota Ophileta,Dirhachopea,Pelagiella,pelecypods,Ctenodontidae MN0046
Chatfield Olmsted MN Decorah Shale – Greenish gray clayey fossiliferous Ordovician shales Ordovician Decorah ? MN0047
Chatfield Olmsted MN N in Sec 35 in area outcrops of shale and Limestone Ordovician Trenton abundant brachiopods,small gastropods,coral – Chaetetes,trilobites,crinoid steps. MN0048
Rochester Olmsted MN Decorah Shale – Greenish gray clayey fossiliferous Ordovician shales Ordovician Decorah ? MN0049
Rochester Olmsted MN In quarries,cuts,etc Ordovician Trenton Shale Strophomena MN0050
Stewartville Olmsted MN on N bank of River 1 km N above dam Ordovician Stewartville Hormotoma,Maclurina,Westonoceras MN0051
Pipestone Pipestone MN Pipestone National Monument. Quarries in metamorphosed red claystone in Sioux Quartzite. The material was used by Indians to make peace pipes. Although the Formation is reported to be pre-Cambrian,Trilobites have been reported. ? MN0052
Pipestone National Monument Pipestone MN In red catlinite debris occasional small trilobites – Lingula,Paradoxides MN0053
St Paul Ramsey MN brachiopods Rhynchotrema,Bryozoa Rhinidictya MN0054
St Paul Ramsey MN Across River at the Brickyards Ordovician Decorah sponges,corals,brachiopods. A few trilobites MN0055
St Paul Ramsey MN At Ford Co plant Ordovician Middle Decorah Rhinidictya MN0056
St Paul Ramsey MN At St Anthony Hill Ordovician Trenton Shale bryozoa,Clitambonites,trilobites MN0057
St Paul Ramsey MN In area exposures Ordovician Trenton sponges – Raufella,coral – Lichenaria,bryozoa – Vinella,Stromatopora MN0058
St Paul Ramsey MN In area road cuts Ordovician Galena Sponges – Raufella. Receptaculites,corals – Streptelasma,Aulopora,Lichenaria,Tetradium,Bryozoa – Batostoma,Homotrypa,Prasopora,Rhinidictya,Stictoporella,brachiopods – Dalmanella,Rafinesquina,Lingula,Pionodema; Pelecypods – Ctenodonta MN0059
St Paul Ramsey MN In quarry of Twin City Brick Co on bluff below Cherokee Park in shale Ordovician Galena Sponges – Raufella. Receptaculites,corals – Streptelasma,Aulopora,Lichenaria,Tetradium,Bryozoa – Batostoma,Homotrypa,Prasopora,Rhinidictya,Stictoporella,brachiopods – Dalmanella,Rafinesquina,Lingula,Pionodema; Pelecypods – Ctenodonta MN0060
St Paul Ramsey MN area exposures Ordovician Decorah sponges,corals,brachiopods. A few trilobites MN0061
St Paul Ramsey MN at Ford Motor Co Plant at Dam No 1 Ordovician Galena typical fauna MN0062
St Paul Ramsey MN at Ford plant. Ordovician Decorah Edrioasteroids Foerstediscus. MN0063
St Paul Ramsey MN near Mendota Ordovician Galena Sponges – Raufella. Receptaculites,corals – Streptelasma,Aulopora,Lichenaria,Tetradium,Bryozoa – Batostoma,Homotrypa,Prasopora,Rhinidictya,Stictoporella,brachiopods – Dalmanella,Rafinesquina,Lingula,Pionodema; Pelecypods – Ctenodonta MN0064
Hawk Creek Township Renville MN In E bank of Hawk Creek in se1/4 s8n 40 meters from the highway bridge in glacial drift Sphaerium,Valvata,Amnicola,Gyraulus,Goniobasis MN0065
Biwabwik St Louis MN 2 km N at Mary Ellen Mine Precambrian Soudan Silicified stromatolites – polishable MN0066
Biwabwik St Louis MN 3 km W at Corsica Mine Precambrian Soudan Silicified stromatolites – polishable MN0067
Wabasha Wabasha MN Fossiliferous Cambrian Sandstones ? MN0068
Wang Wabasha MN Decorah Shale – Greenish gray clayey fossiliferous Ordovician shales Ordovician Decorah ? MN0069
Stillwater Washington MN Trilobites Dikelocephalus MN0070
Dresbach Winona MN Cambrian Upper Eau Claire Trilobites Acheilus MN0071 Original listing says WI
Dresbach Winona MN Mineral Bluff and Dakota in shales abundant Crepicephalus,Obolus,Lingulepsis MN0072
Dresbach Winona MN N in excavations in gray Sandstone below level of Mississippi River Trilobite fragments,Lingula,cephalopods MN0073
Fremont Winona MN In Sec 6 in shale Ordovician Trenton brachiopods,trilobites MN0074
Minnesota City Winona MN In alluvial deposits Pleistocene Mastodon MN0075
St Charles Winona MN S in high bluffs Silurian Lower Trenton bryozoa,brachiopods,cephalopods,trilobites MN0076
Winona Winona MN brachiopods Linguella MN0077
Winona Winona MN Cambrian Upper Eau Claire trilobites -Acheilus MN0078 Original says Winona,WI
Winona Winona MN 1 km above foot of Observatory Bluff at base of bluffs Silurian Lower St Croix Lingula MN0079
Fountain [?] MN Ordovician Middle Decorah Shale brachiopods Pionodema MN0080
Fountain [?] MN Decorah Shale – Greenish gray clayey fossiliferous Ordovician shales Ordovician Decorah ? MN0081
Union Township [?] MN Sec 19 Silurian Lower Shakopee Plioceras[?} MN0082 Plioceras might be a legitimate genus of annelid worms
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