†unranked clade Clypeodonta Norman 2014 (ornithischian)

Reptilia - Neornithischia

Synonym: Hypsilophodontia Cooper 1985

Full reference: D. B. Norman. 2014. Iguanodonts from the Wealden of England: do they contribute to the discussion concerning hadrosaur origins?. Hadrosaurs 10-43

Parent taxon: Neornithischia according to D. Madzia et al. 2018

See also Alifanov and Saveliev 2014, Cooper 1985, Norman 1989, Norman 2014, Russell 1984 and Sereno 1986

Sister taxa: Agilisaurus, Hexinlusaurus, Isaberrysaura, Jeholosauridae, Kulindadromeus, Leaellynasaura, Lesothosaurus, Neornithopoda, Ornithopoda, Othnielosaurus, Stormbergia, Thescelosauridae, Yandusaurus

Subtaxa: Cerapoda Hypsilophodon Hypsilophodontidae Hypsilophodontoidea

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Ecology: ground dwelling herbivore

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