RE: Rauhut's Thesis

[rbi <rbi@dana.ucc.nau.edu>]

>Is the ridge (which is more appropriate in the description of
>_Monolophosaurus) actually formed from different bones? My photos of a mount
>don't show enough detail in the skull to determine this. Personally, I would
>expect us to see the differences beween _D. wetherilli_ and "D." _sinensis_
>expressed as-is, in development of _dual_ crests, not a singular ridge as in
>_Monolophosaurus_.

I dont quite understand what your saying.  The crest in D. wetherilli and "D."
sinensis are formed by the same bones.  Monolophosaurus has a crest that
incorporates additional bones with quite a different morphology.

Regards,
Randall Irmis