Re: CROCODYLOMORPH ENDOTHERMY

[Dinogeorge@aol.com]

In a message dated 96-01-25 23:59:58 EST, martz@holly.ColoState.EDU (Jeffrey
Martz) writes:

>> > Besides, how could they have out-competed therapsids (largely considered
>to be
>> > 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.