Ivan Sansom News Today

The fossilized skull of a 455-million-year-old fish reveals an anatomy that's completely new to the study of vertebrates, bridging a knowledge gap of 100 million years.

A study of an ancient fish fossil has provided fresh insights into the evolution of vertebrates’ skulls. The 455-million-year-old skull fossil belonged to a jawless fish called Eriptychius americanus.

X-rays of an ancient jawless fish shows earliest-known example of internal cartilage skull, unlike that of any other known vertebrate.

The 150-million-year-old calculus - not to be confused with the mathematical study - is believed to have formed within a large sea creature.

A 150-million-year-old stomach stone has been found in the UK, making it the oldest discovered fossil of its kind.

The earliest development of jaws was an improvement over filter feeders, allowing more food to be available.

Researchers in China have discovered fossilized fragments of an ancient shark-like fish — the oldest jawed vertebrate ever discovered.

Earlier this week, four new papers published in Nature revealed the worlds oldest well-preserved jawed fis...

Teeth belonging to a newly discovered shark-like species, thought to be from the Silurian era, have been found in China.

The first appearance of shark-like jawed fish may have happened some 15 million years earlier than previously thought, new evidence suggests. A handful of fossi...