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RE: The Story of Tyrannosaurus Rex

> From: owner-dinosaur@usc.edu [mailto:owner-dinosaur@usc.edu]On Behalf Of
> Christopher Taylor
>
> At the risk of rehashing old news - what exactly is the relative status of
> Tyrannosaurus rex vs. Dynamosaurus imperiosus? Does Tyrannosaurus rex
> actually have priority, or is Dynamosaurus regarded as undiagnostic?
>
Dynamosaurus imperiosus has long since been sunk as a junior subjective
synonym of Tyrannosaurus rex.  Certain notorious splitters (and a few
others) considered reviving Dynamosaurus in the 1980s and 1990s, but those
works never saw publication.

                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
http://www.geol.umd.edu/~jmerck/eltsite
Phone:  301-405-4084    Email:  tholtz@geol.umd.edu
Fax (Geol):  301-314-9661       Fax (CPS-ELT): 301-405-0796