Evolution: Bilaterians & Ediacarans (Introduction)
by David Turell 
, Wednesday, July 11, 2012, 15:20 (4519 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-Another report on the same finding. Original Edicaran fosils are in Australia. These are Newfoundland. Apparently developed in deep oceans, and no idea of what they are, but they all look similar with frond shapes. Nothing in the Cambrian is like them.
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- Evolution: Bilaterians -
David Turell,
2012-06-29, 15:35
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- Evolution: Bilaterians & Ediacarans -
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dhw,
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dhw,
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David Turell,
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- Evolution: where did cyanobacteria come from? -
dhw,
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- Evolution: where did cyanobacteria come from? -
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- Evolution: Bilaterians & Ediacarans -
David Turell,
2012-07-11, 15:20
- Evolution: Bilaterians & Ediacarans -
David Turell,
2012-06-29, 15:40