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Sanpasaurus yaoi

Reptilia

Taxonomy
Sanpasaurus yaoi was named by Young (1944). Its type specimen is IVPP V156A, a set of vertebrae (Three dorsal vertebrae), and it is a 3D body fossil. Its type locality is Locality 1, Changshanling, Potzewan, which is in a Toarcian terrestrial horizon in the Ziliujing Formation of China. It is the type species of Sanpasaurus.

It was considered a nomen dubium by Weishampel and Horner (1990).

Synonymy list
YearName and author
1944Sanpasaurus yaoi Young p. 190 figs. Pl. 1, 2:2, 3:1
1964Sanpasaurus yaoi Kuhn p. 12
1983Sanpasaurus yaoi Dong et al.
1984Sanpasaurus yaoi He p. 71
1985Sanpasaurus yaoi Zhao p. 289
1992Sanpasaurus yaoi Dong pp. 51-53
2016Sanpasaurus yaoi McPhee et al.

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

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.

Sanpasaurus yaoi Young 1944
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Diagnosis
ReferenceDiagnosis
C.-C. Young 1944A Camptosaurus closely related to Iguanodontidae. Vertebrae massive, sacrum apparently not fused. Anterior limbs comparatively long. Scapula with the distal end rather thin. Ulna and radius long and slender. The former is only slightly longer than the latter. The ulna and radius facets of the humerus are not quite differentiated. Femur and fibula are tiny. The end phalanx curved and depressed.
Measurements
No measurements are available
Composition: hydroxyapatiteinfrao
Entire body: yesinfrao
Adult length: 10 to < 100infrao
Adult width: 10 to < 100infrao
Adult height: 10 to < 100infrao
Thickness: thickinfrao
Architecture: compact or denseinfrao
Form: sphericalinfrao
Ontogeny: accretion, modification of partsinfrao
Grouping: gregariousinfrao
Environment: terrestrialinfrao
Locomotion: actively mobileinfrao
Life habit: ground dwellinginfrao
Diet: herbivoreinfrao
Reproduction: oviparousinfrao
Dispersal: direct/internalinfrao
Dispersal 2: mobileinfrao
Created: 2004-12-14 12:49:10
Modified: 2004-12-14 14:49:10
Source: infrao = infraorder
Reference: Marsh 1875

Age range: Toarcian or 182.70000 to 174.10000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Toarcian182.7 - 174.1China (Sichuan) Sanpasaurus yaoi (type locality: 140254 140255 140256)