PBDB Taxon

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

Protorosauridae

Reptilia - Protorosauria - Protorosauridae

Taxonomy

Protorosauridae was named by Cope (1871). Its type is Protorosaurus.

It was assigned to Rhynchocephalia by Cope (1871) and Cope (1875); to Proganosauria by Zittel (1890); to Proterosauria by Boulenger (1893); to Macrocnemoidea by Kuhn (1946); to Prolacertiformes by Chatterjee (1980); to Prolacertiformes by Benton (1985) and Sennikov (1997); and to Protorosauria by Osborn (1903), Kuhn (1966), Chatterjee (1986), Carroll (1988) and Ezcurra et al. (2014).

Subtaxa

Aphelosaurus, Malerisaurus, Microcnemus, Thecodontosaurus primus, Tridentinosaurus

Synonyms

Thecodontosaurus primus was named by Huene (1905). It is a 3D body fossil. Its type locality is Gogolin, Upper Silesia, which is in an Anisian marine horizon in the Chorzow Formation of Poland.

It was considered a nomen dubium by Kuhn (1971).

Synonymy list

Year	Name and author
1871	Protorosauridae Cope
1875	Protorosauridae Cope p. 15
1890	Protorosauridae Zittel p. 592
1893	Protorosauridae Boulenger p. 209
1903	Protorosauridae Osborn p. 467
1905	Thecodontosaurus primus Huene p. 349
1908	Thecodontosaurus primus Huene p. 217 fig. 92
1914	Thecodontosaurus primus Huene p. 12
1938	Thecodontosaurus primus Schmidt p. 126
1939	Thecodontosaurus primus Kuhn p. 61
1942	Thecodontosaurus primus Kuhn p. 19
1946	Protorosauridae Kuhn p. 60
1966	Protorosauridae Kuhn p. 40
1970	Thecodontosaurus primus Swinton p. 35
1980	Protorosauridae Chatterjee p. 197
1985	Protorosauridae Benton p. 154
1986	Protorosauridae Chatterjee p. 297
1988	Protorosauridae Carroll
1997	Protorosauridae Sennikov
2014	Protorosauridae Ezcurra et al.

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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

Rank	Name	Author
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
order	Protorosauria	Huxley 1871
family	Protorosauridae
family	Protorosauridae

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.

Fm. †Protorosauridae Cope 1871

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G. †Aphelosaurus Gervais 1858

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†Aphelosaurus lutevensis Gervais 1858

G. †Malerisaurus Chatterjee 1980

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†Malerisaurus robinsonae Chatterjee 1980

G. †Microcnemus Huene 1940

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†Microcnemus efremovi Huene 1940

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Invalid names: Chasmatosuchus parvus Huene 1940 [synonym]

G. †Tridentinosaurus Dal Piaz 1931

Invalid names: Thecodontosaurus primus Huene 1905 [nomen dubium]

Diagnosis

No diagnoses are available