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Re: Abelisaur & Titanosaur migratory routes
On Thu, 25 Jan 1996 Dinogeorge@aol.com wrote:
> In a message dated 96-01-25 01:45:01 EST, Thomas_R_HOLTZ@umail.umd.edu (th81)
> writes:
>
> >The monophyly of the "Andesauridae" has yet to be established, but they may
> >very well be a natural group.
>
> I'd say it was a parafamily, with Titanosauridae its descendants. Cladists
> might want to call the monophyletic group Andesauridae + Titanosauridae =
> Titanosauroidea.
No, actually, cladists would ignore any "Andesauridae," as it is a
parataxon, and more likely put all the "titanosauroids" in one large
family Titanosauridae, with the "andesaurids" down at the base.
Nick Pharris
Pacific Lutheran University
Tacoma, WA 98447
(206)535-8204
PharriNJ@PLU.edu
"If you can't convince them, confuse them." -- Harry S. Truman