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Platyognathus hsui

Reptilia

Taxonomy
Platyognathus hsui was named by Young (1944) [Wu & Sues (1996) created a neotype, IVPP V8266, for this species. ]. Its type specimen is CRL V.71 (neotype: IVPP V8266), a mandible, and it is a 3D body fossil. Its type locality is Huangchiatien, Lufeng, which is in a Sinemurian terrestrial horizon in the Lufeng Formation of China.

Synonymy list
YearName and author
1944Platyognathus hsui Young p. 1 fig. 1
1951Platyognathus hsui Young p. 29
1965Platyognathus hsui Simmons p. 34
1967Platyognathus hsui Charig p. 704
1996Platyognathus hsui Wu and Sues

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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
Cotylosauria()
Amniota
Sauropsida
RankNameAuthor
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
Pseudosuchia(Zittel 1890)
SuchiaKrebs 1974
Paracrocodylomorpha
Loricata(Merrem 1820)
Crocodylomorpha()
Solidocrania
suborderCrocodyliformes
genusPlatyognathus
specieshsui

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.

Platyognathus hsui Young 1944
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Diagnosis
ReferenceDiagnosis
C.-C. Young 1951Pseudosuchian of small size. Lower jaw short and flat in anterior part. Tip blunt and slightly expanded immediately behind the tip. Behind a weak constriction posterior to the canine like tooth, the jaw expands considerably laterally. The teeth were thecodont, -as judged by the size and position of the alveoli. Anterior teeth small, pointing anteriorly. At least two canine-like teeth directed obliquely and anteriorly. The cross-section of the preserved tooth is irregularly octangular in outline. Posterior teeth subequal in size, being in vertical position with the axis of the jaw