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Sinopliosaurus weiyuanensis

Reptilia - Plesiosauria - Pliosauridae

Taxonomy
Sinopliosaurus weiyuanensis was named by Young (1944). Its type specimen is IVPP V140, a partial skeleton (tooth, 3 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 Sinopliosaurus.

It was considered a nomen dubium by Buffetaut et al. (2008).

Synonymy list
YearName and author
1944Sinopliosaurus weiyuanensis Young p. 203 figs. Pl. 2:3

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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
subclassEureptilia()
—Romeriida
—Diapsida()
suborderSauropterygia
orderPlesiosauriade Blainville 1835
superfamilyPliosauroideaWelles 1943
familyPliosauridaeSeeley 1874
genusSinopliosaurus
speciesweiyuanensis

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
C.-C. Young 1944Tooth small and more or less curved. Crown longitudinally grooved. Vertebrae amphyplatyan. Its length exceeds the breadth. Femur of usual Plesiosaurian type, rather elongated. Ischium about the size and structure of Leurospondylus ultimus Brown which is hatchet-head shaped with a thick concave and expanded posterior distal part.
Measurements
No measurements are available
Composition: hydroxyapatitesuperf
Environment: marinesuperf
Locomotion: actively mobilesuperf
Life habit: nektonicsuperf
Depth habitat: surfaceo
Diet: carnivoresuperf
Reproduction: viviparouso
Dispersal: direct/internalsuperf
Created: 2005-11-07 12:13:24
Modified: 2009-07-25 10:49:01
Source: superf = superfamily, o = order
References: Hampe 2005, Kiessling 2004

Age range: base of the Toarcian to the top of the Albian or 182.70000 to 100.50000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Toarcian182.7 - 174.1China (Sichuan) Sinopliosaurus weiyuanensis (type locality: 140254)
Aalenian - Bajocian174.1 - 168.3China (Sichuan) Sinopliosaurus weiyuanensis (140257)
Tithonian152.1 - 145.0China (Sichuan) Sinopliosaurus weiyuanensis (159590)
Late/Upper Aptian - Albian122.46 - 100.5China (Xinjiang) Sinopliosaurus weiyuanensis (49819)