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Clypeodonta

Reptilia -

Synonyms
Synonymy list
YearName and author
1984Hypsilophodontia Russell p. 29
1985Hypsilophodontia Cooper p. 285
1986Hypsilophodontia Sereno
1989Hypsilophodontia Norman p. 63 fig. 1
2014Hypsilophodontia Alifanov and Saveliev p. 418
2014Clypeodonta Norman p. 29
2018Clypeodonta Madzia et al. p. 973 fig. 4

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
RankNameAuthor
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Neornithischia()
Clypeodonta
Clypeodonta

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
ReferenceDiagnosis
V. R. Alifanov and S. V. Saveliev 2014 (Hypsilophodontia)Preorbital fenestrae expressed, often large. Supraoccipitals forming border of foramen magnum. Premaxillae toothed. Nasals and maxillae in contact. Frontals longer than, or equal to, nasals. Preacetabular process of pubes rodlike. Acetabular edge of these bones curving towards acetabulum and not divided into iliac and ischiadic rami. Descending ramus of pubes approximately as long as ischia. Scapulae not longer than humeri. In manus, digit III consisting of four phalanges and digit V including at most three phalanges. Femora always shorter than tibiotarsi. Digit I of foot usually enlarged. Integument having bristle like appendages.