Researchers have discovered a new-to-science species of ancient shark during an ongoing paleontological resource inventory at Mammoth Cave National Park. The new species of obruchevodid petalodont ...

MAMMOTH CAVE, Ky. — A new-to-science species of ancient shark was recently discovered in Mammoth Cave National Park in Kentucky. The small shark named Clavusodens mcginnisi, or “McGinnis ...