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Re: CROCODYLOMORPH ENDOTHERMY
In a message dated 96-01-25 23:59:58 EST, martz@holly.ColoState.EDU (Jeffrey
>> > Besides, how could they have out-competed therapsids (largely considered
>> > endotherms) if thecodonts were ectotherms?
>> Exactly my point! Gosh it's nice when people just spontaneously see
>> things your way! :-)
> I thought that there were certain environmental conditions today
>where ectotherms were better suited, like deserts, because there isn't
>enough food around to support a lot of endotherms. Or something like that.
Therapsids were simply decimated during the Permian-Triassic mass
extinction(s). They never came back in diversity or numbers, and were
eventually replaced by archosaurs.