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Re: OMEISAUR CLUBS, PACHYRHINOSAUR



I can't access the link.  Does this find mean that Pachyrhinosaurus did have
a large horn over the large boss on it's nose?
----- Original Message -----
From: "Tracy L. Ford" <dino.hunter@cox.net>
To: "Dinonet (E-mail)" <dinosaur@usc.edu>
Sent: Monday, May 20, 2002 12:57 PM
Subject: RE: OMEISAUR CLUBS, PACHYRHINOSAUR


>
>
> -----Original Message-----
> From: owner-dinosaur@usc.edu [mailto:owner-dinosaur@usc.edu]On Behalf Of
Fam
> Jansma
> Sent: Monday, May 20, 2002 7:13 AM
> To: DML
> Subject: Re: OMEISAUR CLUBS, PACHYRHINOSAUR
>
> You wrote:
>
> >Ben Creisler reported...
>
> > New species of Pachycephalosaurus from Alberta:
> > http://www.canada.com/edmonton/story.asp?id={E3DEABE4-EF6F-
> > 40BE-AC1A-C77B3C0AB006}
>
> >Ben made a freudian slip... this is the Pipestone Creek
> >_Pachyrhinosaurus_, not _Pachycephalosaurus_.
>
> Fam Jansma wrote:
>
>
> Haven't "unicorn"-horned Pachyrhinosaurus been known for some years now?<<
>
>
> A little more than 10 years (I think). Darren Tanke of the Royal Tyrell
> Museum found (I think he did) the specimens. He has been working on it off
> and on from that time. He wrote to me and explained what was found and I
did
> a quick drawing of it. He corrected the drawing and I did several of them
> for him.
>
> >>There is an illustration of a Pachyrhinosaurus skull in the Dinosauria
> which
> showed this element from Lull 1933, so there is nothing "new" about it.<<
>
> What? I checked the Dinosauria and couldn't find the drawing, could you
help
> me so I can find it? Pachyrhinosaurus was named in 1950, not by Lull in
> 1933. The Pipestone Creek Pachyrhinosaurus IS different than any known
> Ceratopian and from the previously known Pachyrhinosaurus (from the
> Drumheller area and doesn't really look that much like it's more northern
> cousin). I have no reverence to the Lull, 1933 specimen that the
Dinosauria
> is revering to and would like to know which one it is.
>
>
> >> Why consider it a new species all of a sudden? Pachyrhinosaurus is not
> known from that many specimens so variation with sexes is as yet
> undetermined for
> example.<<
>
> It's positively different. Also, Centrosaurus nasicornis and Styracosaurus
> are different genera. There are bone beds of both animals from Dinosaur
> Provincial Park (Though the Styracosaurus bonebed hasn't been described
yet,
> actually in a thesis that I should get this year). I've been to both bone
> beds (In fact if any of you out there remember the PaleoWorld with Darren
> Tanke and yours truly :) walking around a pathological bone, then
examining
> it, that's the Styracosaurus bone bed).
>
> Tracy L. Ford
> P. O. Box 1171
> Poway Ca  92074
>
>