R: Antarctosaurus

["Alessandro Marisa" <amaris@tin.it>]

----- Original Message -----
From: AM Yates <Adam.Yates@bristol.ac.uk>
To: Ray Stanford <dinotracker@earthlink.net>
Cc: twilliams_alpha <twilliams_alpha@hotmail.com>; dinosaur
<dinosaur@usc.edu>
Sent: Monday, February 14, 2000 6:59 PM
Subject: Re: Antarctosaurus


>> > Tim Williams asked,
>> >     "But can anyone tell me what a 'supra-scapula' is?"
> >     Someone please correct me if I'm wrong, but that seemingly refers to
the
> > coracoid, which, named in combination with the scapula is the
> > scapulocoracoid.  Supra- means ABOVE (above the scapula in this case),
>>so it
> > must be another term for the coracoid. Thus, if one is measuring the
> > scapulocoracoid, then one is measuring the combination of the scapula
and
> > the "supra-scapula" (coracoid, which juxtaposes the proximal end of the
> > scapula).
> Your translation is correct but the suprascapular is not the coracoid
> (which is below the scapula). The suprascapular is an extension of the
> distal blade. It is usually cartilaginous. As far as I'm aware it rarely
> if ever ossifies (but I suppose it could calcify which would lead to
> its being preserved) I don't know if it is even present in Archosaurs, I
> have observed it in Lizards and Frogs but not much else.

I don't know if I'm right on this but if you have "The Dinosaur Society
Dinosaur Encyclopedia" of Lessem &Gult 1993 you can go at pag 361 at the
genus Parksosaurus warreni at these page there is a skeletal restoration of
Parksosaurus by Paul and I think you can see what is a supra-scapula.

By
Marisa Alessandro
"Volounteer of Paleontological Museum of Monfalcone"
Via Achille Grandi n°18 38068 ROVERETO (TN) ITALY
Tel:039-0464-434658 Email amaris@tin.it