Ancient 30-foot ‘great white relative’ remains found with 22-inch teeth and may be biggest turtle-gobbling...

Ancient 30-foot ‘great white relative’ remains found with 22-inch teeth and may be biggest turtle-gobbling shark ever SCIENTISTS have unearthed the first-ever well-preserved fossils of an ancient shark relative which now prove it's a prehistoric predator unlike any other. For decades the extinct Ptychodus left scientists stumped with very few traces, but its astonishing remains were found in the Lagerstätte fossil beds of Vallecillo in Mexico. Ptychodus was once 32 feet long with teeth that were 22 inches long and …