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RE: Deinonychosaurs and "Eusaurischia"
> From: "Grant Harding" <email@example.com>
> 1. Is the unnamed deinonychosaur NGMC 91 now considered to be a
> specimen of Sinornithosaurus millennii? Or is it still considered to be
> an unnamed-deinonychosaur-that-may-or-may-not-be-Sinornithosaurus?
Yes. (Well, okay, the latter: no one has yet published a detailed
demonstration of its affinity with Sinornithosaurus.)
> 2. Is "Eusaurischia" now an official name?
Well, rules for non-species, non-genus, non-family group, non-Linnean names
are no where near as formalized (yet) as for those categories: hence, it was
"official" since the publication of Padian, Hutchinson & Holtz (1999). On
the flip side, though, the proof is in the pudding, and the pudding of
taxonomy is use. So far I know of only a few uses of Eusaurischia
subsequent to our paper, but that may change soon.
Thomas R. Holtz, Jr.
Department of Geology Director, Earth, Life & Time Program
University of Maryland College Park Scholars
College Park, MD 20742
Phone: 301-405-4084 Email: firstname.lastname@example.org
Fax (Geol): 301-314-9661 Fax (CPS-ELT): 301-405-0796