Tag: burrowing
Ancestor of All Animals in 555-Million-Year-Old Ediacaran Sediments?
Ikaria wariootia is just another problematic Ediacaran fossil that could be anything from inorganic artifact to protozoan to cnidarian and yes, maybe a bilaterian worm.
Worming Evolution into the Cambrian Explosion
A new fossil worm from the closing days of the Ediacaran is being celebrated as a missing link that demonstrates a gradual Cambrian diversification, not an explosion.