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Reptilia (was: Re: wow! another application form! :-)
Reptilia: (Anapsida + Diapsida)
Diapsids include dinosaurs (incl. birds), crocodylians, _Sphenodon_,
lizards, snakes, ichthyopterygians. . . etc. See T. Mike Keesey's wonderful
cladogram of Sauropsida (_Mesosaurus_ + Reptilia) at:
However, I do understand the idea behind the question. I feel that
dinosaurs do not belong under the traditional definition of reptile. I feel
that they differ considerably from our idea of low, crawling, low-metabolic
rate, creatures. But, at the same time, see above.
Have a great night.