Crinoid
Periglyptocrinus billingsi
Paleobiology
Paleobiology
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Crinoid
Scyphocrinites
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Crinoid
Isorophus cincinnatiensis
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Fossil Sponge
Actinocoella maedrima
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Harbor Porpoise
Phocoena phocoena
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Sperm Whale
Physeter macrocephalus
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Demosponge
Plinthosella resonans
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Glass Sponge
Aphrocallistes
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Demosponge
Chenendopora fungiformis
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Tyrannosaurus Rex
Tyrannosaurus rex
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Giant Ground Sloth
Megalonyx jeffersonii
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Diplodocine Dinosaur
Diplodocus