RE: Tyrannosaur allometry paper in CJES

["Thomas R. Holtz, Jr." <tholtz@geol.umd.edu>]

> From: owner-dinosaur@usc.edu [mailto:owner-dinosaur@usc.edu]On Behalf Of
> T. Michael Keesey
>
> --- "Thomas R. Holtz, Jr." <tholtz@geol.umd.edu> wrote:
> > Currie examined over 250 tyrannosaur specimens, taking loads of
> measurments.
> > These are shown as bivariate plots.  In general, his main
> comparisons are
> > between albertosaurines (Albertosaurus and Gorgosaurus) and
> tyrannosaurines
> > (Alioramus, Tarbosaurus, Daspletosaurus, and Tyrannosaurus)
>
> Is Albertosaurinae a new taxon?

When it is coined, yes.  However, Currie simply uses a vernacular word
"albertosaurine".

> IIRC, _Tyrannosaurinae_ was earlier provisionally defined as a
> stem-based clade
> with _Aublysodon_ as the external specifier (albeit with a suggestion that
> _Alectrosaurus_ might prove a better choice). Sounds like it's
> been restricted
> a bit here. Were any definitions given or will we have to wait
> for the Acta
> Paleontologica Polonica paper?

As for these, wait for the... :-)

                Thomas R. Holtz, Jr.
                Vertebrate Paleontologist
Department of Geology           Director, Earth, Life & Time Program
University of Maryland          College Park Scholars
                College Park, MD  20742
http://www.geol.umd.edu/~tholtz/tholtz.htm
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