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Dianchungosaurus lufengensis

Reptilia

Taxonomy
Dianchungosaurus lufengensis was named by Young (1982). Its type specimen is IVPP V4735a, a partial skull (Left premaxilla), and it is a 3D body fossil. Its type locality is Chang village, which is in a Sinemurian terrestrial horizon in the Lufeng Formation of China. It is the type species of Dianchungosaurus.

It was considered a nomen dubium by Weishampel and Witmer (1990); it was considered a nomen dubium by Norman et al. (2004).

Synonymy list
YearName and author
1982Dianchungosaurus lufengensis Young p. 38 figs. 1-2
1992Dianchungosaurus lufengensis Dong p. 165
2005Dianchungosaurus lufengensis Barrett and Xu p. 984
2008Dianchungosaurus lufengensis Irmis and Knoll p. 122

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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
RankNameAuthor
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
—Pseudosuchia(Zittel 1890)
—SuchiaKrebs 1974
—Paracrocodylomorpha
—Loricata(Merrem 1820)
—Crocodylomorpha()
—Solidocrania
suborderCrocodyliformes
—MesoeucrocodyliaWhetstone and Whybrow 1983
genusDianchungosaurus
specieslufengensis

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.

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Diagnosis
ReferenceDiagnosis
P. M. Barrett and X. Xu 2005A mesoeucrocodylian with the following autapomorphies: distinct diastema separating the mesial margin of the first premaxillary tooth alveolus and the medial margin of the premaxilla; a second diastema separating the first and second premaxillary teeth; and caniniform first premaxillary tooth, significantly larger than the second and third premaxillary teeth.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marineuc
Locomotion: actively mobilec
Diet: carnivoresubo
Created: 2017-04-17 10:39:01
Modified: 2017-04-17 10:39:01
Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade
References: Benton 1983, Bush and Bambach 2015, Hendy et al. 2009, Carroll 1988

Age range: Sinemurian or 199.30000 to 190.80000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Sinemurian199.3 - 190.8China (Yunnan) Dianchungosaurus lufengensis (type locality: 137353)