Cambrian Explosion: full internal organs (Introduction)

by David Turell @, Monday, April 07, 2014, 16:21 (2247 days ago) @ David Turell

These animals appear from no precursors with full organ systems, gut, nervous, circulatory! An amazingly intact fossil:

http://phys.org/news/2014-04-ancient-shrimp-like-animals-modern-hearts.html


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