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Chaohusaurus geishanensis

Reptilia - Grippiidae

Taxonomy
Chaohusaurus geishanensis was named by Young and Dong (1972). It is not extant. It is the type species of Chaohusaurus.

Synonyms
  • Anhuisaurus faciles was named by Chen (1985). Its type specimen is AGM P45-H85-20 and is a 3D body fossil.

    It was recombined as Chensaurus faciles by Mazin et al. (1991); it was synonymized objectively with Chaohusaurus geishanensis by Motani and You (1998).
Synonymy list
YearName and author
1972Chaohusaurus geishanensis Young and Dong
1985Anhuisaurus faciles Chen p. 142
1991Chensaurus faciles Mazin et al. p. 1208
2000Chaohusaurus geishanensis Maisch and Matzke p. 61
2003Chaohusaurus geishanensis McGowan and Motani
2010Chaohusaurus geishanensis Maisch
2014Chaohusaurus geishanensis Motani et al. p. 2
2015Chaohusaurus geishanensis Motani et al. p. 3
2016Chaohusaurus geishanensis 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
genusChaohusaurusYoung and Dong 1972
speciesgeishanensisYoung and Dong 1972

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.

†Chaohusaurus geishanensis Young and Dong 1972
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Invalid names: Chensaurus faciles Chen 1985 [objective synonym]
Diagnosis
ReferenceDiagnosis
R. Motani et al. 2015Snout long; small humeral flange with concave or straight anterior margin; radius slightly longer than humerus; radius without anterior flange; distal carpals 3 and 4 fused in adults; at least two distal carpals ossified in smallest individuals; phalanges and metacarpals packed; no more than four phalanges in any digit; distal tarsal 3 ossified; typical forelimb phalangeal formula 2-3(4)-4-4-2; front flipper straight, with concave or straight anterior margin.