Notable for “a unique tooth whorl,” the Macadens olsoni possessed a curved row of teeth that helped the tiny shark crush ...

A newly identified ancient shark species, Macadens olsoni, has been at Mammoth Cave National Park. The National Park Service ...

The ancient shark species, known as Macadens olsoni, “is notable for its unique tooth whorl, a curved row of teeth designed ...

The National Park Service has announced another ancient shark discovery at Mammoth Cave in Kentucky. The latest find, named ...

Macadens olsoni is notable for its unique tooth whorl, a curved row of teeth designed for crushing small sea creatures.