Animals of the Cambrian period went through one of the greatest evolutionary surges in history, known as the Cambrian Explosion. Animals of the Cambrian period likely began as worms or worm-like ...

A mysterious fossilized creature discovered more than a century ago has finally been decoded, offering stunning insights into one of the oldest animal groups on Earth. The enigmatic Helmetia expansa, ...

Researchers have discovered an ancient moth-like sea predator in a treasure trove of museum fossils in Canada. The half-a-billion-year-old creature, Mosura fentoni, reveals that Cambrian arthropods ...