Paleontologists have hypothesized for decades that a major animal group called Ecdysozoa must be older than the Cambrian period, but until now its origins have remained enigmatic. The discovery of Uncus dzaugisi reconciles a major gap between predictions based on molecular data and the lack of described ecdysozoans prior to the rich Cambrian fossil record and adds to our understanding of the evolution of animal life, according to a research team headed...
Paleontology News
