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Xuanhanosaurus qilixiaensis

Reptilia - Avetheropoda - Metriacanthosauridae

Taxonomy
Xuanhanosaurus qilixiaensis was named by Dong (1984). Its type specimen is IVPP V.6729. Its type locality is Xuanhan, which is in a Jurassic terrestrial horizon in the Xiashaximiao Formation of China.

Synonymy list
YearName and author
1984Xuanhanosaurus qilixiaensis Dong
1988Xuanhanosaurus qilixiaensis Paul p. 294
1992Xuanhanosaurus qilixiaensis Dong p. 164
2003Xuanhanosaurus qilixiaensis Rauhut p. 22
2004Xuanhanosaurus qilixiaensis Holtz, Jr. et al. p. 72
2005Xuanhanosaurus qilixiaensis Yates p. 117
2011Xuanhanosaurus qilixiaensis Li et al.
2012Xuanhanosaurus qilixiaensis Carrano et al. p. 245

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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()
Romeriida
Diapsida()
Eosuchia()
RankNameAuthor
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Theropoda()
Neotheropoda
AverostraPaul 2002
Tetanurae
orderAvetheropoda
superfamilyAllosauroidea
familyMetriacanthosauridae
genusXuanhanosaurus
speciesqilixiaensis

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
M. T. Carrano et al. 2012Tetanuran with: (1) pronounced posterior ridge on articular facet of humeral head that overhangs shaft (Rauhut 2003); and (2) dorsal neural spines transversely thick with gently concave lateral surfaces (Rauhut pers. comm. 2007).