Teeth reveal new extinct species of giant shark

Great white sharks may have contributed to megalodon extinction

Rare And 'Horrific': Frilled Shark Startles Fishermen In Australia

What did Megalodon eat? Anything it wanted — including other predators

Teeth Of Prehistoric Mega-Shark Found On Australia Beach

9-Year-Old Girl Finds Enormous Once In a Lifetime Megalodon Tooth

Megalodon shark thrashed an ancient whale, scientists find

Megalodon sharks ruled the oceans millions of years ago – new

Modeling procedure. (A) Sample of 11 of the 141 vertebral centra

Ancient Nursery of Giant, Extinct Sharks Found

The megalodon maybe wasn't so mega, research suggests

Research reveals how teeth functioned and evo

Global warming?, Page 81