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Chensaurus chaoxianensis

Reptilia - Grippiidae

Taxonomy
Anhuisaurus chaoxianensis was named by Chen (1985). It is not extant. Its type specimen is AGM P45-H85-25, a skeleton. Its type locality is Anhui Province, unknown locality, which is in a Spathian marine horizon in China.

It was recombined as Chensaurus chaoxianensis by Mazin Suteethora et al. (1991), Motani et al. (1996), Motani and You (1998); it was recombined as Chaohusaurus chaoxianensis by Chen (1985), Motani et al. (2015), Ji et al. (2016).

Synonymy list
YearName and author
1985Chaohusaurus chaoxianensis Chen
1991Chensaurus chaoxianensis Mazin Suteethora et al.
1996Chensaurus chaoxianensis Motani et al. p. 347
1998Chensaurus chaoxianensis Motani and You p. 534
2015Chaohusaurus chaoxianensis Motani et al. p. 3
2016Chaohusaurus chaoxianensis Ji et al. p. 3

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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
RankNameAuthor
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Ichthyosauromorpha
Ichthyosauriformes
Ichthyopterygia(Owen 1840)
Eoichthyosauria
Ichthyosauria(de Blainville 1835)
familyGrippiidaeWiman 1929
genusChensaurusYoung and Dong 1972
specieschaoxianensis(Chen 1985)

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
R. Motani et al. 2015Snout shorter than in C. geishanensis; humeral flange with notched anterior margin; radius slightly shorter than humerus; radius with anterior flange; distal carpals 3 and 4 never fused; only one distal carpal ossified in smallest individuals; pha- langes and metacarpals well spaced; up to three phalanges in one digit; distal tarsal 3 not ossified; typical forelimb phalangeal for- mula 1-2(3)-3-3-1; front flipper posterodistally curved, with con- vex anterior margin.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Environment: marineo
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Reproduction: viviparouso
Created: 2009-07-20 06:07:40
Modified: 2010-02-23 00:20:57
Source: o = order
Reference: Kiessling 2004

Age range: Spathian or 251.30000 to 247.20000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Spathian251.3 - 247.2China (Anhui) Chensaurus chaoxianensis (37180 37181 type locality: 144395)