Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections

Placochelyidae

Reptilia - Sauropterygia - Placochelyidae

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

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
RankNameAuthor
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
orderSauropterygia
Placodontiformes
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.

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.