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Re: Zhuchengtyrannus, new Chinese tyrannosaurine

The paper mentions that _Sigilmassasaurus brevicollis_ is an
abelisaurid.  When did this come about?



On Thu, Mar 31, 2011 at 4:53 AM, bh480@scn.org <bh480@scn.org> wrote:
> From: Ben Creisler
> bh480@scn.org
> New advance online paper in Cretaceous Research:
> David W.E. Hone, Kebai Wang, Corwin Sullivan, Xijin Zhao, Shuqing Chen,
> Dunjin Li, Shuan Ji, Qiang Ji and Xing Xu (2011)
> A new tyrannosaurine theropod, Zhuchengtyrannus magnus is named based on a
> maxilla and dentary.
> Cretaceous Research (advance online publication)
> doi:10.1016/j.cretres.2011.03.005
> Abstract
> Tyrannosaurids are primarily gigantic, predatory theropod dinosaurs of the
> Cretaceous. Here we report a new member of the tyrannosaurid clade
> Tyrannosaurinae from the Upper Cretaceous Wangshi Group of Zhucheng,
> Shandong Province, China, based on a maxilla and associated dentary. The
> discovery of this animal, here named Zhuchengtyrannus magnus gen. et sp.
> nov., adds to the known diversity of tyrannosaurids in Asia. Z. magnus can
> be identified by a horizontal shelf on the lateral surface of the base of
> the ascending process, and a rounded notch in the anterior margin of the
> maxillary fenestra. Several additional features contribute to a unique
> combination of character states that serves to further distinguish Z.
> magnus from other taxa. Comparisons with other tyrannosaurids suggest that
> Zhuchengtyrannus was a very large theropod, comparable in size to both
> Tarbosaurus and Tyrannosaurus.
> http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WD3-52H3RN4-1&_us
> er=10&_coverDate=03%2F30%2F2011&_rdoc=3&_fmt=high&_orig=browse&_origin=brows
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> 5a2aa&searchtype=a
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