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RE: On the subject of mysterious absences...The Answer




Miek Taylor wrote:


> "Thecodontia" is a useful term for all those archosauriform taxa that
> do not belong to any of the "major" archosauriform groups (Saurischia,
> Ornithischia, Crocodylia, Pterosauria).


So you would lump together _Euparkeria_, proterosuchians, erythrosuchians, 
phytosaurs, aetosaurs, rauisuchians, non-crocodylian crocodylomorphs, basal 
ornithodirans ("lagosuchians", "silesaurs"), and even basal dinosaurs (if 
_Eoraptor_, _Herrerasaurus &c lie outside both Saurischia and Ornithischia)...? 
 This sounds like a horrible idea.  It kinda makes you realize why the term 
"Thecodontia" was abandoned in the first place.


Cheers

Tim


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