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Re: Herrerasauridae

> On his ( interesting ) site HP Øyvind M. Padron [gorgosaur@hotmail.com]
places the Herrerasauridae within dinosauria. I thought they had been moved
out somwhere between dinosauriforms and dinosauria?<
I have had this conversation with several people, some of whom say, "No,
only two sacrals, not supported by cladistic analyses, not a dinosaur," and
others that say, "Who cares if it only has two sacrals? It has everything
else, and our cladistic analysis puts it within the Dinosauria."
At SVP this year, there was a presentation on the relationships between
basal dinosaurs (including herrerasaurids), and I believe (IIRC) that all
the trees presented showed that the Herrerasauridae fell within the
Dinosauria.
That's my 2 Euros.
Peace,
Rob

Student of Geology
Northern Arizona University
P.O. Box 20840
Flagstaff, Az. 86011
http://dinodomain.com
http://www.cafepress.com/robsdinos
"A _Coelophysis with feathers?"