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 ...

The fossilized skull of Coccocephalus wildi, an early ray-finned fish that swam in an estuary 319 million years ago.Jeremy Marble/University of Michigan News Scientists discovered the fossilized brain ...

A skull of Romundina, one of the earliest jawed fish, is shown in this image courtesy of Uppsala University in Sweden. REUTERS/Philippe Loubry, MNHN-CNRS-UPMC/Handout (Reuters) By Will Dunham ...

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 ...

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In biology, one long-running debate has teeth: whether ancient fish scales moved into the mouth with the origin of jaws, or if the tooth had its own evolutionary inception. Recent studies on species ...

A 319-million-year-old fossilised fish, pulled from a coal mine in England more than a century ago, has revealed the oldest example of a well-preserved vertebrate brain, researchers say. Scans reveal ...

The CT-scanned skull of a 319-million-year-old fossilized fish, pulled from a coal mine in England more than a century ago, has revealed the oldest example of a well-preserved vertebrate brain. The ...

A stunningly preserved, soft-bodied fish that is more than 500 million years old could be the ancestor of almost all living vertebrates. The fossilized fish, called Metaspriggina, sports ...

(CNN) — Hundreds of millions of years ago, jawless fishes swam Earth’s seas, their brains protected on the outside by armored skin, and on the inside by plates made of cartilage. Scientists are still ...

Latest findings support the theory that teeth in the animal kingdom evolved from the jagged scales of ancient fish, the remnants of which can be seen today embedded in the skin of sharks and skate. In ...