Ray
Batoidea
Paleobiology
Paleobiology
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Skate
Rajiformes
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Fossil Ray-finned Fish
Redfieldius gracilis
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Elasmobranch Fossil
Galeoidea
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Cow Shark
Notorynchus
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Fossil Ray-finned Fish
Diodon circumflexus
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Six-gill Shark
Hexanchus
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Shark
Selachimorpha
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Bony Fish
Osteichthyes
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Megalodon
Carcharodon megalodon
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Elasmobranch
Ptychodus
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Sand Shark
Synodontaspis macrota