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RE: T rex & smell

> From: owner-dinosaur@usc.edu [mailto:owner-dinosaur@usc.edu]On Behalf Of
> Jordan Mallon
> > > For example, the size of tyrant olfactory lobes might simply be
> > > allometric: it could well be that ALL large theropods wind up with
> > > those suckers. Until more giant theropods are scanned (Acro,
> > > Carcharodonto, etc.) and published, it will be difficult to say.
> The Carcharodontosaurus endocast has been scanned and published. 
> Don't remember off-hand any of the details relating to the relative
> sizes of the olfactory lobes, though.
> See:
> Larsson, H.C.E. et al.  2000.  Forebrain enlargement among nonavian
> theropod dinosaurs.  20: 615-618.
> And Hans Larsson's paper in Mesozoic Vertebrate Life.
Unfortunately, that scan begins towards the posterior end of the olfactory 
lobes, so we don't have the total volume. 

                Thomas R. Holtz, Jr.
                Vertebrate Paleontologist
Department of Geology           Director, Earth, Life & Time Program
University of Maryland          College Park Scholars
        Mailing Address:
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Phone:  301-405-4084    Email:  tholtz@geol.umd.edu
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