PBDB Taxon

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

Darchansaurus

Reptilia - Polyglyphanodontidae

Taxonomy

Darchansaurus was named by Sulimski (1975). Its type is Darchansaurus estesi.

It was assigned to Teiidae by Carroll (1988), Gao and Fox (1991) and Alifanov (1993); to Macrocephalosauridae by Sulimski (1975), Alifanov (2000) and Alifanov (2000); and to Polyglyphanodontinae by Estes (1983) and Xu et al. (2014).

Species

D. estesi (type species)

Synonymy list

Year	Name and author
1975	Darchansaurus Sulimski p. 70–71
1983	Darchansaurus Estes
1988	Darchansaurus Carroll
1991	Darchansaurus Gao and Fox
1993	Darchansaurus Alifanov p. 10
2000	Darchansaurus Alifanov
2014	Darchansaurus Xu et al.

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

Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda

Rank	Name	Author
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
—	Squamata	()
—	Scincomorpha	()
—	Polyglyphanodontia	Alifanov 2000
family	Polyglyphanodontidae	Gilmore 1942
genus	Darchansaurus

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.

G. †Darchansaurus Sulimski 1975

show all | hide all

†Darchansaurus estesi Sulimski 1975

Diagnosis

Reference	Diagnosis
A. Sulimski 1975	Dental formula pm?4+m28/d30. Dentition pleurodont, weakly heterodont. Iguanid tooth replacement. Skull short, wide, massive and strongly constructed, with slanting naso-prefrontal region. Skull length about 56 mm, width 40 mm. Nasals short, roughly triangular.broad anteriorly. Frontals anteriorly widened, bent at an angle inrelation to the fronto-parietal surface, posteriorly elongated, with distinct orbital notches. Fronto-parietal suture with a medial anteriorly directed prominence. Parietal foramen situated in the parietal. Parietal wide, short. Posterior processes forked at an angle of 105-110°. Maxilla shortened but high, slightly inclined medially ventral. Jugals widely separated, with strong postero-ventral tubers bent outwards. Orbits large, oval. Postfrontal short, wide, without parietal process. Postorbital strong anteriorly, shortened, posteriorly widened. Squamosal roughly triangular, widely joining the jugal. Supraoccipital with a distinct sagittal crest. Paroccipital process dorsoventrally very wide. Supratemporal fossa small, roughly triangular. Quadrate with a narrow external conch and a strong posterior crest. Vomers long and wide, with distinct ventral raphae. Palate short, wide and high. Ectopterygoid strongly reduced. Palatines wide and short. Basipterygoid processes short, with wide condyles. The lower jaw short, massive, with a distinct angular outline. Retroarticular process short, wide, posteriorly pointed. Splenial posteriorly wide, anteriorly sharply pointed. Coronoid process rather low and straight.