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RE: "Pachy's" had horns?
> From: Andy Farke [mailto:firstname.lastname@example.org]
> > Date: Thu, 9 Oct 2008 08:50:10 -0400
> > From: email@example.com
> > Not with me it ain't. And Witmer clearly has evidence that
> at least a
> > rhino-type attachment was not present. I can't speak for others.
> With all due respect to Dr. Witmer, most of the credit for
> the work on horn attachment, etc., should go to Tobin
> Hieronymus, one of Larry's students.
> Hieronymus, T.L., L.M. Witmer, and R. Ridgely (2006) The
> structure of white rhinoceros (Ceratotherium simum) horn
> investigated by X-ray computed tomography and histology, with
> implications for growth and external form. Journal of
> Morphology 267:1172-1176.
> PDF available at:
> And a related SVP abstract:
> Hieronymus, T.L., L.M. Witmer, D. Tanke, and P.J. Currie.
> (2006) Horn morphology of Pachyrhinosaurus and horn evolution
> in centrosaurine dinosaurs. Journal of Vertebrate
> Paleontology 26(3, suppl): 75A.
No offense to Tobin: forgot that that paper had actually been published!
Thomas R. Holtz, Jr.
Email: firstname.lastname@example.org Phone: 301-405-4084
Office: Centreville 1216
Senior Lecturer, Vertebrate Paleontology
Dept. of Geology, University of Maryland
Faculty Director, Earth, Life & Time Program, College Park Scholars
Mailing Address: Thomas R. Holtz, Jr.
Department of Geology
Building 237, Room 1117
University of Maryland
College Park, MD 20742 USA