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#shark

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Fossil Research Identifies New 340 million years old #Shark Species at Mammoth Cave National Park home.nps.gov/maca/learn/news/f paper: doi.org/10.1017/jpa.2024.40

"Nick-named Chipmunk #sharks for their small size and chisel-like front teeth and crushing back teeth, members of the Obruchevodidae were between 3-4 inches in length. Their small size allowed them to avoid larger predators as they foraged on crustaceans, worms, and small brachiopods found along the sea floor"