The fossilized skull of Coccocephalus wildi, an early ray-finned fish that swam in an estuary 319 million years ago. The fish is facing to the right, with the jaws visible in the lower right portion ...

A tiny fossil fish, roughly 3 centimeters long and approximately 436 million years old, has been identified as the oldest known bony fish ever found, pushing back the timeline for when the ancestors ...

New fossils illuminate the evolution of land vertebrates from fish Walter Gilberti 1 May 2006 A major fossil discovery at a site in northern Canada has provided compelling evidence of the evolutionary ...

The placoderms were a diverse group of ancient armoured fishes and it’s widely believed that they are ancestral to virtually all vertebrates alive today, including humans. Placoderms dominated aquatic ...