Definition of Dinosauria (was: underlying basis of classification)

[zenlizard@juno.com]

On Tue, 13 Jul 1999 09:10:55 -0600 chris brochu  writes:
>  Dinosauria is the last common ancestor of ornithischians and
saurischians and all >of its descendents.  

Oh, ack.  I thought Dinosauria was _Triceratops_  and all animals closer
to _Triceratops_  than to either  (_Aves_)  or  (_Avialae_)  (depending
on who's doing the definition).  Was this latter definition discarded?

-zenlizard

Bonfires, chainmail bras, and breasts do not mix.

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