Metaspriggina: Vertebrate Fish Found in Cambrian Explosion

Now that some months have passed since the discovery of another rich trove of Cambrian fossils 26 miles from the Burgess Shale, scientists are starting to publish findings from the new Marble Canyon site. One amazing find just published by Simon Conway Morris and Jean-Bernard Caron is putting more bang in the Cambrian explosion.

Not so long ago, evolutionists emphasized that no vertebrates existed in the Cambrian. They knew that vertebrates were too advanced for that first appearance of multi...