†family Huayangosauridae Dong et al. 1982 (ornithischian)

Reptilia - Ornithischia - Huayangosauridae

Parent taxon: Stegosauria according to S. Sánchez-Fenollosa and A. Cobos 2025

See also Blows 2001, Carpenter et al. 2001, Fonseca et al. 2024, Galton 1990, Galton and Upchurch 2004, Maidment et al. 2008, Olshevsky and Ford 1993, Tumanova and Alifanov 2018 and Ulansky 2014

Sister taxa: Amargastegos, Chialingosaurus, Chialingosaurus kuani, Craterosaurus, Deltapodus, Dravidosaurus, Eoplophysis, Euscelosaurus, Ferganastegos, Garbina, Lexovisaurus durobrivensis, Luluichnus, Monkonosaurus, Omosaurus leedsi, Regnosaurus, Rigalitidae, Saldamosaurus, Stegopodus, Stegosauridae, Wuerhosaurus ordosensis

Subtaxa: Baiyinosaurus Bashanosaurus Gigantspinosaurus Huayangosaurus Isaberrysaura

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Type: Huayangosaurus

Ecology: ground dwelling herbivore

Distribution:

• Jurassic of Argentina (1 collection), China (4)

Total: 5 collections each including a single occurrence

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