All the animal phyla known today emerged at the same time, in the middle of the geological period known as the Cambrian Age. The Cambrian Age is a geological period estimated to have lasted some 65 million years, approximately between 570 to 505 million years ago.
Channels: Medical Archaeology
Tags: Evolution Darwin Adnan Oktar Harun Yahya creation Allah God Islam cambrian trilobite paleontology fossil archeology
Uploaded by: harunyahya ( Send Message ) on 07-08-2009.
Duration: 4m 58s