Tag: Shark

New research based on x-ray imaging provides the strongest evidence to date that sharks arose from a group of bony fishes called acanthodians. Analyzing...

High-definition CT scans of the fossilized skull of a 280 million-year-old fish reveal the origin of chimaeras, a group of cartilaginous fish related to...

Megalolamna paradoxodon is the name of a new extinct shark described by an international research team who based their discovery on fossilized teeth up...

Scientists have discovered macabre fossil evidence suggesting that 300 million-year-old sharks ate their own young, as fossil poop of adult Orthacanthus sharks contained the...

It lived millions of years ago and was three times as large as the great white shark: the megalodon. So far its extinction has...