A bristly armored "worm" that scuttled across ocean reefs 518 million years ago is the ancestor to three aquatic animal groups that today live very different lifestyles, and it offers new clues about the explosion of diverse species at the time, a new.
An armored worm from the Cambrian called Wufengella bengtsoni is the ancestor to three major animal groups that have totally different lifestyles today, a new study finds.
A new paper co-authored by University of Saskatchewan researchers shows the creatures responsible for one of the world s oldest and most complete fossil records lived more turbulent lives than previously thought.
The 518-million-year-old Chengjiang Biota - in Yunnan, south-west China - is one of the oldest groups of animal fossils known to science, and a key record of the Cambrian Explosion.