THE CAMBRIAN EXPLOSION. “Then came the Cambrian explosion of evolution, starting about 540 m.y. ago, and within about 50 m.y. most of the phyla of modern animals had been generated including the chordates to which we belong. Some animals were a meter long.”
https://www.sciencedirect.com/science/article/pii/S0012825219302636?via=ihub
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022