'Ornamental' faced ceratopsian found in China

December 09, 2015

Scientists describe a new, ~160 million year-old ceratopsian dinosaur with "ornamental" texture on the skull from the Late Jurassic period in China, according to a study published December 9, 2015 in the open-access journal PLOS ONE by Fenglu Han from the China University of Geosciences and colleagues.

Ceratopsia is one of the best studied herbivorous dinosaur clades, but scientists still don't agree on the early evolution of Ceratopsia. The authors of this study report on the second ceratopsian found in an Upper Jurassic formation in northwestern China, from ~160 million years ago, both of which are the oldest ceratopsians known. The authors characterize this new taxon by the ornamental texture on nearly all parts of the skull, among other characteristics, and named it Hualianceratops wucaiwanensis. "Hualian" means ornamental face. Unfortunately, the skull was found with a partial skeleton in poor condition, and little information about the body could be collected.

Additionally, the authors studied the relationship between Hualianceratops wucaiwanensis and other ceratopsians through phylogenetic analysis. Based on the results, they suggest that at least five ceratopsian lineages, may have been present at the beginning of the Late Jurassic.
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In your coverage please use this URL to provide access to the freely available paper: http://dx.plos.org/10.1371/journal.pone.0143369

Citation: Han F, Forster CA, Clark JM, Xu X (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

Funding: Collection of the fossils and subsequent research were funded by the National Natural Science Foundation of China (41120124002; http://www.nsfc.gov.cn) to XX, the National Geographic Society to JMC, the U.S. National Science Foundation (EAR 0310217 and EAR 0228559; http://www.nsf.gov) to JMC and CAF, and the Fundamental Research Funds for the Central Universities (CUGL140806; http://www.moe.gov.cn/) and China postdoctoral Science Foundation (2014M552108;http://www.chinapostdoctor.org.cn) to FLH. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Competing Interests: The authors have declared that no competing interests exist.

PLOS

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