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Prehistoric Shark Gallery Tour the Ancient Seas Make Your Own Shark
The American Museum of Natural History
The Search for Ancient Sharks
A "plump" mid-size chimaera-like fish,Iniopteryxhad specialized spines and fins indicative of a bottom-dweller. It lived in North America about 300 million years ago.


See the Fossil


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Picture: Ivy Rutzky |
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