"Nearly all animal phyla * made their first appearance in the fossil record at essentially the same time , an interval of some 5 million years [ ET * * ] ( about 525 to 530 million years ago [ ET * * ] ) called the `` Cambrian Explosion . '' 51"
"1 ) This is outdated . The beginning of the Cambrian `` explosion `` has been dated to ~543 million years . And , this more accurate date for the base of the Cambrian has been known for more than 10 years !"
"Nearly all animal phyla * made their first appearance in the fossil record at essentially the same time , an interval of some 5 million years [ ET * * ]"
"This is outdated"