Ediacaran Fossil Highlights Differences with Cambrian Animals

It looks like a three-armed spiral. What is it? It's one of those "enigmatic" organisms that lived before the Cambrian explosion. Named Tribrachidium (Latin for "three arms"), it's a member of the Ediacaran fauna. Not much is known about any of the Ediacarans, but since they lived some 10 million years before the Cambrian, evolutionists have been trying to link them up in some way with the complex animals that appeared later, as described in Stephen Meyer's book Darwin's Doubt.

A new theory...