PBDB Taxon

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

Sinosaurus (China lizard)

Reptilia

Taxonomy

Sinosaurus was named by Young (1940). Its type is Sinosaurus triassicus.

It was considered a nomen dubium by Irmis (2004).

It was assigned to Pachypodosauria by Huene (1958); to Ornithosuchidae by Walker (1964); to Carnosauria by Young (1940), Young (1946), Young (1948), Swinton (1970); to Teratosauridae by Romer (1956), Huene (1959), Tatarinov (1964), Simmons (1965), Benedetto (1973), Rozhdestvensky (1977); to Melanorosauridae by Romer (1966), Steel (1970), Anderson and Cruickshank (1978); to Herrerasauridae by Battail (1986); to Poposauridae by Carroll (1988); and to Theropoda by Carrano (2025).

Species

S. triassicus (syn. Dilophosaurus sinensis) (type species)

Synonymy list

Year	Name and author
1940	Sinosaurus Young p. 237
1946	Sinosaurus Young p. 8
1948	Sinosaurus Young p. 79
1956	Sinosaurus Romer p. 615
1958	Sinosaurus Huene p. 205
1959	Sinosaurus Huene p. 120
1964	Sinosaurus Tatarinov p. 537
1964	Sinosaurus Walker p. 106
1965	Sinosaurus Simmons p. 64
1966	Sinosaurus Romer p. 370
1970	Sinosaurus Steel p. 57
1970	Sinosaurus Swinton p. 139
1973	Sinosaurus Benedetto
1977	Sinosaurus Rozhdestvensky p. 111
1978	Sinosaurus Anderson and Cruickshank p. 31
1986	Sinosaurus Battail p. 48
1988	Sinosaurus Carroll
2025	Sinosaurus Carrano

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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
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota

Rank	Name	Author
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Theropoda	()
genus	Sinosaurus

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. †Sinosaurus Young 1940 [China lizard]

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†Sinosaurus triassicus Young 1940

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Invalid names: Dilophosaurus sinensis Hu 1993 [synonym]

Diagnosis

No diagnoses are available