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Q&A Could the Therapsids Evolve Without the Pelycosaurs?

Here's the scenario: 400 million years ago, a species of lobe-finned fish created tetrapod history as it gulped up air, not water. Fast-forward to 342 million years ago, and one species immediate...

1 answer  ·  posted 8y ago by JohnWDailey‭  ·  last activity 8y ago by JohnWDailey‭

Question reality-check evolution alternate-history history