3 Major Aquatic Animal Groups Can Trace Their Lineage to This Ancient Armored ‘Worm’ : ScienceAlert
[ad_1] 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 study finds. An international team of researchers recently discovered the fossil … Read more