
Cambrian Fossil: What Is It?
August 17, 2005
A Cambrian fossil discovered in China may represent a new phylum, reports BBC News. Vetustodermis, discovered in 1979, looks like a flatworm with eye stalks and antenna. It resembles a mollusk or arthropod in some ways, but scientists aren’t sure how to classify it. Forcing it into any existing group requires “pushing and pulling” that […]