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Re: Dinosaur Taxonomy (was Re: Re: dinosaur flatware)
>I never claimed that the Herrerasauria (or any other parataxon) COULN'T
>be diagnosed, just that it SHOULD'T, for the simple reason that, if the
> Herrerasauria is paraphyletic, then they are not each other's closest
> As I said, the whole argument becomes moot if one allows parataxa.
Which I do. And so does George Olshevsky (though he tends to use
them less than I do).
In fact the way I define Herrerasauria it probably includes basal
Dinosauria! [more or less: small to mid-sized carnivorous dinosaurs
with four functional toes].
The peace of God be with you.