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RE: Negative allometry in tyrannosaurids?
> From: Jordan Mallon [mailto:firstname.lastname@example.org]
> I don't know what shape the juvenile specimens that we know of
> are in, but
> does anyone know if the tyrannosaurids exhibit negative allometry with
> respect to their forearms? And if they do, what would this
> suggest? That
> the arms were useful at a young age and became progressively less
> so as the
> animal grew older?
> With the presence of long arms in _Eotyrannus_, I would expect
> the answer to
> be "yes" if we consider the idea that "ontogeny recapitulates phylogeny."
> Just wonderin'. Thanks.
Keep your eyes peeled: in about two or three months a paper is coming out
(not by me) addressing many aspects of ontogenetic (and to a degree
phylogenetic) allometry in Tyrannosauridae.
I would therefore prefer to wait until it is out before answering that
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: email@example.com
Fax (Geol): 301-314-9661 Fax (CPS-ELT): 301-405-0796