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Re: Dinosaur Revolution Review

I spent a bit of time with Leonardo, and none of the exposed skin
impressions I saw were naked (although there was still some prep
remaining to be done).

On Thu, Sep 15, 2011 at 12:51 PM, Sim Koning <simkoning@msn.com> wrote:
> Didn't Leonardo (the Brachylophosaurus mummy) have some naked patches as 
> well? If so, then I wouldn't find it very surprising that we see something 
> similar in Tyrannosaurids. Maybe both had a mix of naked and scaly skin, and 
> maybe both evolved from fuzzy ancestors?
> ----------------------------------------
>> Date: Thu, 15 Sep 2011 13:25:50 -0400
>> From: martyniuk@gmail.com
>> To: dinosaur@usc.edu
>> Subject: Re: Dinosaur Revolution Review
>> This second option Scott lists is the closest analogue to the actual
>> fossil record, as far as I can tell. As Mickey states on The Theropod
>> Database:
>> "At the Armour Symposium (2001), Currie reported skin impressions
>> associated with the holotype of Gorgosaurus, which lacked scales. Some
>> other specimens from Dinosaur Park show this same morphology. Tanke
>> (DML 1996) reported a small patch of skin associated with a partial
>> tyrannosaurid skeleton (vertebrae, dorsal ribs, gastralia, ilium
>> impression, limb bones impressions, astragalus) from Alberta
>> presumably stored in the RTMP. The tyrannosaurid was ~8-9 m long, and
>> the skin impression (though associated with a gastralium and ilial
>> impression) could not be placed anywhere specifically on the body due
>> to the skeleton's disarticulation. It preserved small reticulate
>> scales similar to hadrosaurids."
>> http://home.comcast.net/~eoraptor/Tyrannosauroidea.html#Gorgosauruslibratus
>> Assuming both impressions come from Gorgosaurus libratus, this is a
>> concrete example of a tyrannosaur species with both scales and naked
>> skin on parts of its body.
>> --Matt
>> On Thu, Sep 15, 2011 at 12:54 PM, Scott Hartman
>> <skeletaldrawing@gmail.com> wrote:
>> > 2) Have the adults have naked skin in those areas that were fuzzy as a
>> > hatchling.  I don't know if it would be aesthetically pleasing, but
>> > there's no reason a grown T. rex might not have a scale-covered tail,
>> > feet, and snout and be otherwise naked-skinned.
>> > -Scott
>> >

Scott Hartman
Scientific Advisor/Technical Illustrator
(307) 921-9750
website: www.skeletaldrawing.com
blog: http://skeletaldrawing.blogspot.com/