Tag: Shark
New study identifies ancient shark ancestors
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...
280 million-year-old fossil reveals origins of chimaeroid fishes
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...
New large lineage of prehistoric shark discovered
Megalolamna paradoxodon is the name of a new extinct shark described by an international research team who based their discovery on fossilized teeth up...
Unearthed: The cannibal sharks of a forgotten age
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...
Prey scarcity and competition led to extinction of ancient monster shark
It lived millions of years ago and was three times as large as the great white shark: the megalodon. So far its extinction has...
