Whale
Cetotherium
Paleobiology
Paleobiology
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Crinoid
Uintacrinus socialis
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Feather Star
Onychocrinus ramulosus
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Feather Star
Camarocrinus
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Crinoid
Histocrinus grandis
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Barnacle
Thoracica
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Rorqual Whale
Balaenoptera
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Worm
Vermicularia
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Ark Clam
Cucullaea gigantea
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Barnacle
Thecostraca
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Horn Coral
Heliophyllum
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Horn Coral
Blothrophyllum