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Tuojiangosaurus - no shoulder spines? (was Re: Long-necked stegosaur coming out in Proceedings B)
David Marjanovic wrote:
> > From memory. I remembered that the name was considered
> invalid and figured
> if a valid description had come out, I'd have learned of
> that via the DML. Probably I overlooked a statement that it
> was valid in some enormous New Papers post.
Maidment & Wei (2006) explicitly describe _Gigantspinosaurus sichuanensis_ as
valid. So looks like we're stuck with the horrendous moniker. :-(
For some interesting musings on _Gigantspinosaurus, check out...
BTW, this second thread seems to indicate that the type specimen for
_Gigantspinosaurus_ (in the Zigong Dinosaur Museum, but unnumbered) might be
the same specimen as the articulated stegosaur skeleton mentioned by Gao et al.
(1986) and assigned by them to _Tuojiangosaurus_. Galton and Upchurch (in the
Stegosauria chapter of Dinosauria II, p.355) cite this specimen in support of
the presence of parascapular spines in _Tuojiangosaurus_. (BTW, this is also
how _Tuojiangosaurus_ is illustrated in Holtz & Rey's "Dinosaurs"
encyclopedia). But if the reconstruction of _Tuojiangosaurus_ with shoulder
spines is actually based on _Gigantspinosaurus_, then _Tuojiangosaurus_ might
not have had parascapular spines after all (the holotype and paratype don't
Oh, this means that all my previous posts on _Tuojiangosaurus_ having
parascapular spines may be WRONG. Ah well...