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RE: Questions about T. rex and Nanotyrannus
Nope, no paper as such to support it.
There are some field localities where robust small teeth and blade like small
teeth are found together. The pro-Nano camp interprets these as teeth of two
taxa; the anti-Nano camp as teeth of different tooth positions in different
Thomas R. Holtz, Jr.
Email: email@example.com Phone: 301-405-4084
Office: Centreville 1216
Senior Lecturer, Vertebrate Paleontology
Dept. of Geology, University of Maryland
Faculty Director, Science & Global Change Program, College Park Scholars
Mailing Address: Thomas R. Holtz, Jr.
Department of Geology
Building 237, Room 1117
University of Maryland
College Park, MD 20742 USA
> -----Original Message-----
> From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu] On Behalf Of
> Sent: Monday, April 21, 2014 9:08 AM
> To: Dinosaur
> Subject: Questions about T. rex and Nanotyrannus
> LISTERS --
> The other night I saw, for the first time, an episode of "Jurassic Fight
> Club" (first aired in 2008, I think) where young Tyrannosaurus
> rexes duked it out with an adult Nanotyrannus lancensis somewhere in South
> Setting aside the thousand obvious things that could be said about this
> series, I have a couple specific questions.
> I missed the first half of the show, so I missed where they apparently talked
> about the fossil evidence for this encounter. They
> seemed to be saying that remains of two species were collected at the same
> My question is, what were the physical differences supporting the conclusion
> that one of the animals was a young T. rex (and the
> other N.
> lancensis)? Can someone point me to a paper or other source where this
> possibility was discussed?
> -- Donna Braginetz