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Re: Huanansaurus, new oviraptorid from Late Cretaceous of China (free pdf)

An artist's reconstruction of Huanansaurus:



On Thu, Jul 2, 2015 at 8:06 AM, Ben Creisler <bcreisler@gmail.com> wrote:
> Ben Creisler
> bcreisler@gmail.com
> A new paper in open access:
> Huanansaurus ganzhouensis
> Junchang Lü, Hanyong Pu, Yoshitsugu Kobayashi, Li Xu, Huali Chang,
> Yuhua Shang, Di Liu, Yuong-Nam Lee, Martin Kundrát & Caizhi Shen
> (2015)
> A New Oviraptorid Dinosaur (Dinosauria: Oviraptorosauria) from the
> Late Cretaceous of Southern China and Its Paleobiogeographical
> Implications.
> Scientific Reports 5, Article number: 11490
> doi:10.1038/srep11490
> http://www.nature.com/srep/2015/150702/srep11490/full/srep11490.html
> The Ganzhou area of Jiangxi Province, southern China is becoming one
> of the most productive oviraptorosaurian localities in the world. A
> new oviraptorid dinosaur was unearthed from the uppermost Upper
> Cretaceous Nanxiong Formation of Ganzhou area. It is characterized by
> an anterodorsally sloping occiput and quadrate (a feature shared with
> Citipati), a circular supratemporal fenestra that is much smaller than
> the lower temporal fenestra, and a dentary in which the dorsal margin
> above the external mandibular fenestra is strongly concave ventrally.
> The position of the anteroventral corner of the external naris in
> relation to the posterodorsal corner of the antorbital fenestra
> provides new insight into the craniofacial evolution of
> oviraptorosaurid dinosaurs. A phylogenetic analysis recovers the new
> taxon as closely related to the Mongolian Citipati. Six oviraptorid
> dinosaurs from the Nanxiong Formation (Ganzhou and Nanxiong) are
> distributed within three clades of the family. Each of the three
> clades from the Nanxiong Formation has close relatives in Inner
> Mongolia and Mongolia, and in both places each clade may have had a
> specific diet or occupied a different ecological niche. Oviraptorid
> dinosaurs were geographically widespread across Asia in the latest
> Cretaceous and were an important component of terrestrial ecosystems
> during this time.