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Sanchuansaurus pygmaeus

Reptilia - Pareiasauridae

Taxonomy
Sanchuansaurus pygmaeus was named by Gao (1989). Its type specimen is IVPP V6723, a maxilla, and it is a 3D body fossil. Its type locality is Tianjialing, Xuecun Town, which is in a Changhsingian fluvial conglomerate/mudstone in the Shihtienfeng, Shiqianfeng, Sunjiagou Formation of China. It is the type species of Sanchuansaurus.

It was synonymized subjectively with Shansisaurus xuecunensis by Li and Liu (2013).

Synonymy list
YearName and author
1989Sanchuansaurus pygmaeus Gao
1997Sanchuansaurus pygmaeus Lee p. 274
2016Sanchuansaurus pygmaeus Benton

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassParareptiliaLawrence 1868
—Procolophonomorpha()
—Procolophonia()
—Hallucicrania
superfamilyPareiasauroideaNopsca 1928
—Pareiasauria()
familyPareiasauridaeLydekker 1889
genusSanchuansaurus
speciespygmaeus

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
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Diet: herbivoresubo
Created: 2009-01-03 20:32:59
Modified: 2009-01-03 22:32:59
Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade
References: Carroll 1988, Benton 1983, Hendy et al. 2009

Age range: Changhsingian or 254.14000 to 251.90200 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Changhsingian254.14 - 251.902China (Shanxi) Sanchuansaurus pygmaeus (type locality: 78694)