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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 a Barremian/Aptian fluvial horizon in the Yixian Formation of China.

Synonymy list
YearName and author
2002Liaoceratops yanzigouensis Buchholz p. 19
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
2009Liaoceratops yanzigouensis Tanoue et al. p. 431
2010Liaoceratops yanzigouensis Amiot et al. p. 355
2012Liaoceratops yanzigouensis Han et al. p. 1391 fig. 14
2012Liaoceratops yanzigouensis Tanoue et al. p. 125
2012Liaoceratops yanzigouensis You et al. p. 171
2014Liaoceratops yanzigouensis Hedrick et al. p. 322
2014Liaoceratops yanzigouensis Tanoue and Okazaki p. 80
2015Liaoceratops yanzigouensis Han et al. p. 1
2018Liaoceratops yanzigouensis He et al. p. 2
2019Liaoceratops yanzigouensis Herne et al. p. 572
2020Liaoceratops yanzigouensis Dieudonné et al.
2020Liaoceratops yanzigouensis Yang et al. p. 2
2020Liaoceratops yanzigouensis Yu et al. p. 1
2022Liaoceratops yanzigouensis Son et al. p. 7

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
RankNameAuthor
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—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.

†Liaoceratops yanzigouensis Xu et al. 2002
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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.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yeso
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: gregariouso
Environment: terrestrialsubo
Locomotion: actively mobileo
Life habit: ground dwellingsubo
Diet: herbivoresubo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2005-09-15 11:08:09
Modified: 2005-09-15 13:08:09
Source: subo = suborder, o = order
References: Marsh 1875, Norman and Weishampel 1991

Age range: base of the Late/Upper Barremian to the top of the Early/Lower Aptian or 125.77000 to 119.57000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Barremian - Early/Lower Aptian125.77 - 119.57China (Liaoning) Liaoceratops yanzigouensis (53493 type locality: 55685)