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Placochelyidae

Reptilia - Placodontia - Placochelyidae

Synonymy list
YearName and author
1910Placochelydae Jaekel p. 335
1946Placochelyidae Kuhn p. 60
1971Placochelyidae Kuhn p. 21
2000Placochelyidae Rieppel
2001Placochelyidae Rieppel p. 79
2002Placochelyidae Li and Rieppel p. 403

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
RankNameAuthor
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
suborderSauropterygia
orderPlacodontiaCope 1871
suborderCyamodontoideaNopcsa 1923
familyPlacochelyidae()
familyPlacochelyidae()

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.

Fm. †Placochelyidae Jaekel 1910
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G. †Glyphoderma Zhao et al. 2008
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Glyphoderma kangi Zhao et al. 2008
G. †Psephochelys Li and Rieppel 2002
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Psephochelys polyosteoderma Li and Rieppel 2002
G. †Psephosaurus Fraas 1896
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Psephosaurus suevicus Fraas 1896
Diagnosis
ReferenceDiagnosis
O. Rieppel 2001Skull depressed; rostrum narrow and distinctly elongated; suture between maxilla and jugal located below posterior half of orbit; premaxillary teeth absent; ventral surface of rostrum with distinct grooves leading to internal nares; palatal exposure of pterygoid relatively long; distal tip of paroccipital process abuts squamosal buttress; anterior tip of dentary edentulous.