†family Chaoyangsauridae Zhao 1983

Reptilia - Ornithischia - 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, Beg, Ceratopsomorpha, Coronosauria, Graciliceratops, Leptoceratopsidae, Liaoceratops, Mosaiceratops, Protoceratopoidea, Sasayamagnomus, Yamaceratops

Subtaxa: Chaoyangsaurus Hualianceratops Stenopelix Xuanhuaceratops Xuanhuasaurus niei Yinlong

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Type: Chaoyangsaurus

Distribution:

• Cretaceous of Germany (1 collection)

• Jurassic to Cretaceous of China (2)

• Jurassic of China (2)

Total: 5 collections each including a single occurrence

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