Cartilaginous fish have changed much more in the course of their evolutionary history than previously believed. Evidence for this thesis has been provided by new fossils of a ray-like shark, ...

The frilled shark, also called the lizard shark (Chlamydoselachus anguineus), is one of the ocean’s most ancient species. Its appearance and primitive features have barely changed since the Cretaceous ...

A fishing trawler has pulled up a fascinating example of a living fossil. Frill sharks are one of the earliest types of sharks and date back 80 million years. Share on Facebook (opens in a new window) ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

Sharks are largely cartilaginous, a body structure that often doesn’t survive fossilization. But in a paper published in the Swiss Journal of Paleontology, scientists describe an entirely new species ...

Cartilaginous fish have changed much more in the course of their evolutionary history than previously believed. Evidence for this thesis has been provided by new fossils of a ray-like shark, ...