Scylla Posted March 23, 2020 Share Posted March 23, 2020 New fossil one half the size of a rice grain is oldest Bilaterally symmetrical creature. Ancestor of vertebrates, arthropods, etc. https://www.theguardian.com/science/2020/mar/23/fossil-ikaria-wariootia-bilateral-organism-human-relative 4 Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted March 23, 2020 Share Posted March 23, 2020 And possible ancestor of brachiopods! I want one. Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
Scylla Posted March 23, 2020 Author Share Posted March 23, 2020 24 minutes ago, Tidgy's Dad said: And possible ancestor of brachiopods! I want one. And turtles Link to comment Share on other sites More sharing options...
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