Re: New Hualianceratops from Jurassic of China

[Ruben Safir <ruben@mrbrklyn.com>]

On Wed, Dec 09, 2015 at 11:48:50AM -0800, Ben Creisler wrote:
> Apparently there's something about these news items that is being
> blocked. I'll try again.


they are about drugs?

> 
> http://gwtoday.gwu.edu/triceratops-gets-cousin
> 
> 
> 
> A video:
> 
> https://www.youtube.com/watch?v=bi_OLCLW4N4
> 
> On Wed, Dec 9, 2015 at 11:34 AM, Ben Creisler <bcreisler@gmail.com> wrote:
> > OK, when I tried to forward this message with the added full
> > reference, it was blocked. Don't know what the problem is. I'll try
> > again
> >
> >
> > Fenglu Han, Catherine A. Forster, James M. Clark & Xing Xu (2015)
> > A New Taxon of Basal Ceratopsian from China and the Early Evolution of
> > Ceratopsia.
> > PLoS ONE 10(12): e0143369
> > doi:10.1371/journal.pone.0143369
> > http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0143369
> >
> > Ceratopsia is one of the best studied herbivorous ornithischian
> > clades, but the early evolution of Ceratopsia, including the placement
> > of Psittacosaurus, is still controversial and unclear. Here, we report
> > a second basal ceratopsian, Hualianceratops wucaiwanensis gen. et sp.
> > nov., from the Upper Jurassic (Oxfordian) Shishugou Formation of the
> > Junggar Basin, northwestern China. This new taxon is characterized by
> > a prominent caudodorsal process on the subtemporal ramus of the jugal,
> > a robust quadrate with an expansive quadratojugal facet, a prominent
> > notch near the ventral region of the quadrate, a deep and short
> > dentary, and strongly rugose texturing on the lateral surface of the
> > dentary. Hualianceratops shares several derived characters with both
> > Psittacosaurus and the basal ceratopsians Yinlong, Chaoyangsaurus, and
> > Xuanhuaceratops. A new comprehensive phylogeny of ceratopsians weakly
> > supports both Yinlong and Hualianceratops as chaoyangsaurids (along
> > with Chaoyangsaurus and Xuanhuaceratops), as well as the monophyly of
> > Chaoyangosauridae + Psittacosaurus. This analysis also weakly supports
> > the novel hypothesis that Chaoyangsauridae + Psittacosaurus is the
> > sister group to the rest of Neoceratopsia, suggesting a basal split
> > between these clades before the Late Jurassic. This phylogeny and the
> > earliest Late Jurassic age of Yinlong and Hualianceratops imply that
> > at least five ceratopsian lineages (Yinlong, Hualianceratops,
> > Chaoyangsaurus + Xuanhuaceratops, Psittacosaurus, Neoceratopsia) were
> > present at the beginning of the Late Jurassic.
> >
> >
> >
> > ---------- Forwarded message ----------
> > From: Ben Creisler <bcreisler@gmail.com>
> > Date: Wed, Dec 9, 2015 at 11:25 AM
> > Subject: Blocked post for new Hualianceratops?
> > To: dinosaur@usc.edu
> >
> >
> > Ben Creisler
> > bcreisler@gmail.com
> >
> >
> > I have tried to send a post about the new Jurassic ceratopsian
> > Hualianceratops, but my posts have been blocked on the DML. Let me see
> > if this post gets through before I try again.

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