Sinoceratops

Sye-noh-seh-rah-tops.
Updated on

Benjamin Gutierrez

Vertebrate Paleontologist

Benjamin Gutierrez is a leading expert on dinosaurs, particularly the mighty theropods. His fieldwork in South America has uncovered new species and provided insights into dinosaur social structures.

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Name

Sinoceratops (Chinese Ceratopsian).

Phonetic

Sye-noh-seh-rah-tops.

Named By

Xu Xing, Wang KeBai, Zhao XiJin & Li DunJing - 2010.

Classification

Chordata, Reptilia, Dinosauria, Ornithischia, Ceratopsia, Ceratopsidae, Centrosaurinae.

Diet

Herbivore.

Species

S. zhuchengensis

Size

Skull is estimated to have measured as much as 1.8 meters long.

Known locations

China, Shandong Province.

Time Period

Campanian of the Cretaceous.

Fossil representation

Upper skull and partial frill.

Sinoceratops: Research Database

Ceratopsia (Ornithischia) · Late Cretaceous (~72–66 MYA) · Asia — China (Shandong, Wangshi Group)

 

Research Note: Sinoceratops was a ceratopsian from the Late Cretaceous Wangshi Group of Shandong, China. As an Asian ceratopsid, it provides important data on ceratopsid diversity and evolution in the Latest Cretaceous of East Asia.

 

Research Finding Status Grade Year Method Citation Impact
Longrich 2015: Sinoceratops and ceratopsid diversity in the Cretaceous of Asia
Longrich 2015 provide comprehensive data on Sinoceratops from the Late Cretaceous Wangshi Group of China, establishing it as a ceratopsid and documenting its significance for understanding ceratopsid diversity and evolution in the Latest Cretaceous of East Asia
Confirmed A 2015 Fossil Longrich, Cretaceous Research Taxonomy
Zheng et al. 2012: Sinoceratops and ceratopsid systematics in the Cretaceous of China
Zheng et al. 2012 provide additional data on ceratopsid systematics from the Cretaceous of China, contextualising Sinoceratops within the broader evolutionary history of ceratopsid dinosaurs
Confirmed B 2012 Fossil Zheng et al., Scientific Reports Systematics
Status:
Confirmed Direct evidence
Grade:
A Strong consensus
B Good evidence

 

Active Debate: Ceratopsid Evolution in the Latest Cretaceous of Asia

Whether Sinoceratops is closely related to centrosaurines or chasmosaurines is debated.

 

What We Still Do Not Know About Sinoceratops

  • Complete skeletal morphology: Well known.
  • Body mass: Estimated at ~1–2 tonnes.
  • Skin and soft tissue: Unknown.
  • Social behavior: No direct evidence.

In Depth

       Although only known from partial skull material Sinoceratops displays features that are seen in both the centrosaurine and chasmosaurine lines of the ceratopsian dinosaurs. Although larger than others of the group, Sinoceratops is considered to be a basal centrosaurine, and its discovery has shed a little more light on ceratopsian evolution. Unfortunately however, until additional fossil material can be recovered, reconstructions are reliant upon comparisons with other better known ceratopsians.

Further Reading

– First ceratopsid dinosaur from China and its biogeographical implications – Chinese Science Bulletin 55: 1631–1635 – X. Xu, K. Wang, X. Zhao & D. Li – 2010.

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