Mammoth Cave National Park, Shark and Fossil
Rendering courtesy of the National Park Service A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk shark” by researchers ...
long – certainly not big enough to swallow you – this led them to nickname it the “chipmunk shark”. The McGinnis’ nail tooth shark also belongs to a group of jawed, cartilaginous fish ...
SILVER CITY, N.M.— Following a decade of advocacy from the Center for Biological Diversity and allies, the U.S. Fish and Wildlife Service today added the Peñasco least chipmunk of southeastern New ...
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