†family Chaoyangsauridae Zhao 1983 (ornithischian)

Reptilia - Neornithischia - Chaoyangsauridae

Alternative spelling: Chaoyoungosauroidea

Full reference: X. Zhao. 1983. Phylogeny and evolutionary stages of Dinosauria. Acta Palaeontologica Polonica 28(1-2):295-306

Parent taxon: Neoceratopsia according to E. M. Morschhauser et al. 2019

See also Han et al. 2015, Zhao 1983, Zhao et al. 2006 and Zheng et al. 2015

Sister taxa: Aquilops, Archaeoceratops, Archaeoceratopsidae, Asiaceratops, Auroraceratops, Ceratopsomorpha, Coronosauria, Graciliceratops, Liaoceratops, Mosaiceratops, Protoceratopoidea, Stenopelix, Yamaceratops

Subtaxa: Chaoyangsaurus Hualianceratops Xuanhuaceratops Xuanhuasaurus niei Yinlong

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Type: Chaoyangsaurus

Ecology: ground dwelling herbivore

Distribution:

• Jurassic to Cretaceous of China (1 collection)

• Jurassic of China (3)

Total: 4 collections each including a single occurrence

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