UC 16228 B |
Bellerophontidae |
Bellerophon pitkinensis Snider, 1915 |
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2270241 |
Mississippian |
Pitkin Limestone |
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UC 17195 |
Platyceratidae |
Platyceras subrotundum Snider, 1915 |
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2270245 |
Mississippian |
Pitkin Limestone |
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UC 17196 |
Platyceratidae |
Platyceras subrotundum Snider, 1915 |
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2270246 |
Mississippian |
Pitkin Limestone |
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UC 17197 |
Platyceratidae |
Platyceras subrotundum Snider, 1915 |
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2270248 |
Mississippian |
Pitkin Limestone |
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UC 17198 |
Platyceratidae |
Platyceras subrotundum Snider, 1915 |
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2270250 |
Mississippian |
Pitkin Limestone |
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UC 30491 |
Murchisoniidae |
Aclisina marvinwelleri Thein & Nitecki, 1974 |
S. Weller |
United States of America |
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2213492 |
Mississippian |
Golconda |
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UC 30794 |
Platyceratidae |
Platyceras (orthonychia) chesterense Meek & Worthen |
S. Weller |
United States of America |
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2213527 |
Mississippian |
Renault Limestone |
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UC 30552 |
Naticopsidae |
Naticopsis (naticopsis) mariona Thein & Nitecki, 1974 |
S. Weller |
United States of America |
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2213534 |
Mississippian |
Golconda |
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UC 29409 |
Bucaniidae |
Salpingostoma richmondensis Ulrich & Ulrich in Scofield, 1897 |
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United States of America |
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2204320 |
Ordovician |
Maquoketa Shale |
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UC 29408 |
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Liospira vitruvia (Billings, 1865) |
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2290480 |
Ordovician |
Maquoketa Shale |
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UC 25038 |
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Knightites (cymatospira) welleri Thein & Nitecki, 1974 |
S. Weller |
United States of America |
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2213339 |
Mississippian |
Golconda |
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UC 25050 |
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Knightites (retispira) ornatus (Weller, 1920) |
S. Weller |
United States of America |
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2213340 |
Mississippian |
Golconda |
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UC 25028 |
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Donaldina marigoldensis Thein & Nitecki, 1974 |
S. Weller |
United States of America |
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2213353 |
Mississippian |
Golconda |
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UC 25030 |
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Donaldina marigoldensis Thein & Nitecki, 1974 |
S. Weller |
United States of America |
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2213354 |
Mississippian |
Golconda |
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UC 25177 |
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Donaldina marigoldensis Thein & Nitecki, 1974 |
S. Weller |
United States of America |
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2213355 |
Mississippian |
Golconda |
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UC 12654 |
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Platyostoma turbinata Hall, 1876 |
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United States of America |
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2240028 |
Devonian |
Onondaga Limestone |
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PE 35116 |
Euphemitidae |
Euphemites richardsoni Schindel & Yochelson, 1979 |
J. Herdina |
United States of America |
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2247910 |
Pennsylvanian |
Carbondale |
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UC 24616 |
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Rostellaria whitfieldi Heilprin, 1880 |
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United States of America |
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2240037 |
Paleogene |
Gosport Sand |
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PE 56792 |
Nassariidae |
Alectrion waltonensis |
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2290512 |
Neogene |
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UC 30093 |
Platyceratidae |
Platyceras (orthonychia) chesterense Meek & Worthen |
S. Weller |
United States of America |
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2213302 |
Mississippian |
Renault Limestone |
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UC 38582 |
Pseudorthoceratidae |
Pseudorthoceras |
H. J. Smith |
United States of America |
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2239037 |
Pennsylvanian |
Boggy |
2 image files |
UC 11346 C |
Platyceratidae |
Platyceras erectoides Weller, 1906 |
S. Weller |
United States of America |
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2213081 |
Mississippian |
Glen Park Limestone |
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UC 28776 |
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Pleuropterus rotundus Wing, 1925 |
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United States of America |
41.5714 |
2275740 |
Silurian |
Racine Dolomite |
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UC 28779 |
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Pleuropterus halei (Hall, 1867) |
M. E. Wing |
United States of America |
41.5714 |
2212789 |
Silurian |
Racine Dolomite |
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UC 28751 |
Bellerophontidae |
Bellerophon shelbiensis Clarke & Ruedemann, 1903 |
M. E. Wing |
United States of America |
41.5714 |
2212948 |
Silurian |
Racine Dolomite |
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