bird-mammal common ancestor
mwspitze at uci.edu
Tue Sep 6 23:37:09 EST 1994
In article <mwspitze-060994110940 at phar2.medsurge.hsis.uci.edu>,
mwspitze at uci.edu (matt spitzer) wrote:
> A question for evolutionary biologists:
> What is the current thinking on the common ancestor of birds and mammals?
> Was it a primitive turtle-like reptile? What would be the closest living
Let me clarify my question. When mammals split off the reptile line, what
was the likely reptilian ancestor?
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