The specimen had spiral teeth to feed on small marine organisms A team of scientists from the National Park Service, the Department of Paleobiology of the Smithsonian Institution and the Mammoth Cave National Park discovered a new species of prehistoric shark in the depths of this park, famous for having the largest cave system in the world. The specimen, named Macadens olsoni, inhabited the Earth about 340 million years ago and was characterize…
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The specimen had spiral teeth to feed on small marine organisms A team of scientists from the National Park Service, the Department of Paleobiology of the Smithsonian Institution and the Mammoth Cave National Park discovered a new species of prehistoric shark in the depths of this park, famous for having the largest cave system in the world. The specimen, named Macadens olsoni, inhabited the Earth about 340 million years ago and was characterize…