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RE: Dinosaurs Decoded
> From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu]
> On Behalf Of Michael Erickson
> As far as I'm concerned, the hypothesis that _Dracorex_ and
> _Stygimoloch_ are jeuvenile _Pachycephalosaurus_ is complete
> and utter bunk. Bakker gives a good rebuttal here:
In contrast, I find it almost certainly correct (at least that Dracorex is a
juvenile of either Stygimoloch or Pachycephalosaurus, or both if Styg. &
Pachy. are themselves conspecifics).
For cases where there are alleged specimens which are decisive relative to
the different scenarios: let the specimens be revealed and make the case.
Or, to paraphrase Zombieland, pub up or shut up. (Note this goes for Horner
et al., too, although they are apparently working on it.)
Until then, either scenario is hearsay.
Thomas R. Holtz, Jr.
Email: email@example.com 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
Faculty Director, Science & Global Change 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