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Thrinaxodon liorhinus

Taxonomy

Thrinaxodon liorhinus was named by Seeley (1894). Its type specimen is BMNH R 511, a skull (complete skull with lower jaw), and it is a 3D body fossil. Its type locality is Thaba Nchu Commonage, Lystrosaurus Assemblage Zone, which is in an Induan/Olenekian terrestrial horizon in South Africa. It is the type species of Thrinaxodon.

Synonyms

Ictidopsis formosa was named by van Hoepen (1916). It is a 3D body fossil. Its type locality is B19, below and west of Kingori, which is in a Wuchiapingian terrestrial horizon in the Usili Formation of Tanzania.

It was synonymized subjectively with Thrinaxodon liorhinus by Hopson and Kitching (1972).
Thrinaxodon putterilli was named by Broom (1932). It is a 3D body fossil. Its type locality is Harrismith Commonage, which is in an Induan/Olenekian terrestrial horizon in the Normandien Formation of South Africa.

It was synonymized subjectively with Thrinaxodon liorhinus by Hopson and Kitching (1972) and Kitching (1977).
Micrictodon marionae was named by Broom (1937). It is a 3D body fossil. Its type locality is Harrismith Commonage, which is in an Induan/Olenekian terrestrial horizon in the Normandien Formation of South Africa.

It was synonymized subjectively with Thrinaxodon liorhinus by Hopson and Kitching (1972).
Notictosaurus luckhoffi was named by Broom (1936). It is a 3D body fossil. Its type locality is Wapadsberg Area (Lystrosaurus Assemblage Zone), which is in an Induan/Olenekian terrestrial horizon in South Africa.

It was synonymized subjectively with Thrinaxodon liorhinus by Hopson and Kitching (1972).
Nythosaurus larvatus was named by Owen (1876). It is a 3D body fossil. Its type locality is East side of Commissie Drift, Caledon River, Smithfield, which is in an Induan/Olenekian terrestrial siliciclastic in South Africa.

It was synonymized subjectively with Thrinaxodon liorhinus by Hopson and Kitching (1972).
Ictidopsis elegans was named by Broom (1912).

It was synonymized subjectively with Thrinaxodon liorhinus by Hopson and Kitching (1972).

Synonymy list

Year	Name and author
1876	Nythosaurus larvatus Owen
1894	Thrinaxodon liorhinus Seeley p. 991 fig. 1b
1912	Ictidopsis elegans Broom
1913	Ictidopsis elegans Broom
1913	Nythosaurus larvatus Broom
1916	Ictidopsis formosa van Hoepen
1932	Thrinaxodon putterilli Broom
1936	Notictosaurus luckhoffi Broom
1937	Micrictodon marionae Broom p. 315 fig. 15
1972	Thrinaxodon liorhinus Hopson and Kitching
1977	Thrinaxodon liorhinus Colbert and Kitching p. 3 figs. 1-22

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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
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Epicynodontia
infraorder	Procynosuchia
—	Galesauria
genus	Thrinaxodon
species	liorhinus

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.

†Thrinaxodon liorhinus Seeley 1894

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Invalid names: Ictidopsis elegans Broom 1912 [synonym], Ictidopsis formosa van Hoepen 1916 [synonym], Micrictodon marionae Broom 1937 [synonym], Notictosaurus luckhoffi Broom 1936 [synonym], Nythosaurus larvatus Owen 1876 [synonym], Thrinaxodon putterilli Broom 1932 [synonym]

Diagnosis

No diagnoses are available