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Gongpoquansaurus mazongshanensis

Reptilia -

Taxonomy
Probactrosaurus mazongshanensis was named by Lü (1997). Its type specimen is IVPP V.11333. Its type locality is IVPP 9208-21 quarry, Mazongshan, which is in a Barremian/Aptian fluvial-lacustrine sandstone in the Zhonggou Formation of China.

It was considered a nomen dubium by Paul (2008); it was recombined as Gongpoquansaurus mazongshanensis by You et al. (2014).

Synonymy list
YearName and author
1997Probactrosaurus mazongshanensis pp. 27-28 figs. 1-10
2001Probactrosaurus mazongshanensis Wang and Xu p. 1672
2004Probactrosaurus mazongshanensis Norman p. 417
2005Probactrosaurus mazongshanensis Buffetaut et al. p. 578
2008Probactrosaurus mazongshanensis Chen et al. p. 310
2010Probactrosaurus mazongshanensis Amiot et al. p. 354
2010Probactrosaurus mazongshanensis McDonald et al. p. 32
2010Probactrosaurus mazongshanensis McDonald et al. p. 808 fig. 10
2010Probactrosaurus mazongshanensis Saegusa et al. p. 56
2010Probactrosaurus mazongshanensis Wu et al. p. 127
2011Probactrosaurus mazongshanensis Prieto-Márquez p. 774
2011Probactrosaurus mazongshanensis Wang et al. p. 135
2013Probactrosaurus mazongshanensis Zheng et al.
2014Gongpoquansaurus mazongshanensis You et al. p. 74

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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()
Eosuchia()
RankNameAuthor
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Neornithischia()
Ornithopoda()
Iguanodontia()
Dryomorpha
Ankylopollexia
Styracosterna
Hadrosauriformes
Hadrosauroidea()
genusGongpoquansaurus
speciesmazongshanensis()

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
H.-l. You et al. 2014Gongpoquansaurus mazongshanensis is a basal hadrosauroid distinguishable from other taxa by the following unique combination of features: transversely elongated supratemporal fenestra, broad and flat dorsal surface of the parietals with a deep median groove, and large and straight nuchal crest.