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Liaoceratops yanzigouensis

Reptilia -

Taxonomy
Liaoceratops yanzigouensis was named by Xu et al. (2002). Its type specimen is IVPP V.12738, a skull, and it is a 3D body fossil. Its type locality is Yanzigou, Shanyuan, which is in an Aptian fluvial horizon in the Yixian Formation of China. It is the type species of Liaoceratops.

Synonymy list
YearName and author
2002Liaoceratops yanzigouensis Xu et al. p. 314 figs. 1-2
2004Liaoceratops yanzigouensis You and Dodson p. 480
2007Liaoceratops yanzigouensis You et al. p. 898
2008Liaoceratops yanzigouensis Butler et al. p. 10
2009Liaoceratops yanzigouensis Jin et al. p. 204
2010Liaoceratops yanzigouensis Amiot et al. p. 355
2012Liaoceratops yanzigouensis Han et al. p. 1391 fig. 14
2014Liaoceratops yanzigouensis Tanoue and Okazaki p. 80
2015Liaoceratops yanzigouensis Han et al. p. 1
2018Liaoceratops yanzigouensis He et al. p. 2

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
RankNameAuthor
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Neornithischia()
Clypeodonta
Cerapoda
Marginocephalia
Ceratopsia()
infraorderNeoceratopsia
genusLiaoceratops
speciesyanzigouensis

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
R. J. Butler et al. 2008Sutures between premaxilla, maxilla, nasal and prefrontal intersecting at a common point high on the side of the snout; possession of several tubercles on the ventral margin of the angular;
a foramen on the posterior face of the quadrate near the articulation with the quadratojugal; small tubercle on the dorsal border of the foramen magnum; thick posterior border of the parietal frill.