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Re: Theropod wattles



On Tue, 17 Apr 2007, Michael Mortimer wrote:
There's also a report of Tarbosaurus with a throat pouch or wattle.



http://www.biology.ualberta.ca/faculty/philip_currie/uploads/pdfs/2003/2003NemegtFootprints.pdf
The First Late Cretaceous Footprints from the Nemegt
Locality in the Gobi of Mongolia

figure 5

page 6
Skin impressions (MPD 107/6A, Fig. 5D) were recovered
from a Tarbosaurus skeleton destroyed by poachers at
Bugiin Tsav (N43 52.16, E100 00.60). In this specimen,
which is a large individual with a frontal width at the interorbital
slot of 81 mm, the scales have an average diameter of
2.4 mm. The skin impression was recovered from the thoracic
region of the body, although the damage done to the specimen
makes it impossible to know exactly which region it covered.
Other tyrannosaurid (Albertosaurus, Daspletosaurus, Gorgosaurus)
skin impressions have been recovered from Alberta and
Montana, and show the same lightly pebbled surfaces.