Trilobite
Agnostus
Paleobiology
Paleobiology
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Trilobite
Paedeumias clarki
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Trilobite
Fremontia fremonti
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Trilobite
Bristolia isolenos
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Trilobite
Paedeumias nevadensis
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Gooseneck Barnacle
Scalpellidae
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Crab
Pinnixa galliheri
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Trilobite
Phacops
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Trilobite
Phacops logani
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Trilobite
Griffithides
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Trilobite
Peronopsis interstrictus
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Trilobite
Peronopsis interstrictus