Evolution: Bilaterians & Ediacarans (Introduction)

by David Turell @, Friday, June 29, 2012, 15:40 (4531 days ago) @ David Turell

Before the Cambrian Explosion simple bilateral soft animals existed, simple sacks with an opening for a mouth. Now dated back to 585 million years ago:
> 
> http://phys.org/news/2012-06-resets-date-earliest-animal-life.html-This is the same time as the frond-like Ediacarans were developing. A new finding from that group:-http://phys.org/news/2012-06-ash-fall-nursery-earliest-animals.html


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