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Palaeoscincosaurus pharkidodon

Reptilia - Squamata - Contogeniidae

Taxonomy
Palaeoscincosaurus pharkidodon was named by Nydam and Fitzpatrick (2009). Its type specimen is OMNH 33855, a mandible (left dentary), and it is a 3D body fossil. Its type locality is Kaiparowits Formation (Lower), OMNH V9, which is in a Campanian terrestrial horizon in the Kaiparowits Formation of Utah.

Synonymy list
YearName and author
2009Palaeoscincosaurus pharkidodon Nydam and Fitzpatrick p. 684

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
RankNameAuthor
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Lepidosauromorpha(Benton 1983)
superorderLepidosauria()
orderSquamata
suborderLacertilia(Owen 1842)
infraorderScincomorpha
familyContogeniidae
genusPalaeoscincosaurus
speciespharkidodon

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
R. L. Nydam and B. M. Fitzpatrick 2009Differs from Palaeoscincosaurus middletoni in the following combination of features: greater hypertrophy of inferior alveolar canal results in larger, shelf-like lateral expansion along posterior portion of dentary; dentary and maxillary teeth with lateral apical striae on crowns more fully developed, ridges along anterior and posterior margins of crowns less well developed, and tooth shafts below crowns expanded medially.