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ZoomDinosaurs.com
CoolDino.com: Dinosaur Forums
VOTE FOR YOUR FAVORITE DINOSAUR DINO TALK:
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The Test of Time
A Novel by I. MacPenn


Dr. Tom Holtz and Dr. Michael K. Brett-Surman
answer dinosaur questions for the readers of ZoomDinosaurs.com
:



Hi. I have a couple of questions.
I have an Australian book that states that a footprint genus
indicates that there possibly was a Tyrannosauroid on that
continent. Do you know anything about that?
I was also curious about a rumor I heard about T. rex skin
impressions having been discovered. Is that true?
My last question involves T. rex once again. Is the Jack
Horner-discovered "C-rex" larger than Giganotosaurus and the
other Carcharodontosaurines, or is it just a little smaller?
Thanks! Nice Book, by the way.

from A. P., age 14, Frederick, Maryland, USA; July 29, 2001

TOM: Thanks for the comments about the book.

Although the Aussie footprint was given a name that translates as "Tyrannosaurus-foot", there is absolutely NO evidence that it was from a tyrannosaur.

Although T. rex skin isn't known, there are some small patches of skin impressions (about the size of a playing card) from other tyrannosaurs. These show small bumpy scales (smaller than those of ornithischian dinosaurs of the same size).

Until we are given actual measurements of the "C-rex" specimen, we cannot know how big it is compared to previous discoveries. It might well be larger, but so far there are only preliminary news reports, not real scientific articles.


Back to the Holtz and Brett-Surman Questions

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