American Mastodon
Mammut americanum
Paleobiology
Paleobiology
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Ornithischian
Triceratops horridus
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Barnacle
Concavus concavus
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Barnacle
Balanus gregarius
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Barnacle
Concavus concavus
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Barnacle
Concavus concavus
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Barnacle
Concavus concavus
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Ray-finned Fish
Belonostomus comptoni
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Mud Lobster
Thalassina anomala
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Ark Clam
Cucullaea gigantea
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Allosaurus
Allosaurus fragilis
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Fossil Jellyfish
Essexella asharae