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Erdenetesaurus

Reptilia - Squamata - Polyglyphanodontidae

Synonymy list
YearName and author
1975Erdenetesaurus Sulimski p. 78 fig. 14
1983Erdenetesaurus Estes
1988Erdenetesaurus Carroll
1991Erdenetesaurus Gao and Fox
1993Erdenetosaurus Alifanov p. 10
2000Erdenetesaurus Alifanov
2000Erdenetosaurus Alifanov p. 373
2000Erdenetesaurus Gao and Norell p. 72
2014Erdenetesaurus Xu et al.

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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
Episquamata
ToxicoferaVidal and Hedges 2005
PolyglyphanodontiaAlifanov 2000
familyPolyglyphanodontidaeGilmore 1942
genusErdenetesaurus

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
A. Sulimski 1975Dental formula pm?3+m?18/d?19. Skull high, well arched. Parieto-occipital region elongated. Maxilla moderately high, slightly inclined medially dorsal. Postfrontal with poorly developed distal processes. Supratemporal fossa small, oval, slit shaped. Supratemporal bone squamous, .vestigial. Parietal foramen in parietal. Posterior processes of the parietal diverge at an angle of about 80°. Frontals partially fused, posteriorly widened. Descending thickening of the parietal well developed. Ectopterygoid with a long anterior process. Lower jaw slender with slight posterior backward inclination of coronoid process. Retroarticular process wide and long. Dentition pleurodont, almost homodont. Tooth replacement of iguanid type. Cheek tooth crowns rounded in outline, mediolaterally compressed with six-seven radially arranged denticles.