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Re: MARGINOCEPHALIANS and Triassic times



In a message dated 4/19/00 2:02:54 AM EST, eamalitz@hotmail.com writes:

<< Also a fair evaluation of Dinogeorge's outrageous ideas can never be done 
 unless the Triassic is investigated. Would it be fair to say that  a 
 prediction of his model would be that bird like forms with primitive 
 features should be prevalent or at least detectable in the late Triassic 
 formations? >>

They >might< go all the way back to the Permian. I suspect that Permian 
glaciation and strongly seasonal climate may have been an early factor in 
selection for endothermy in both therapsids and archosaurs. Rank speculation 
so far, however.