PBDB Taxon

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Mesosaurus tenuidens

Mesosauridae

Taxonomy

Mesosaurus tenuidens was named by Gervais (1865). Its type specimen is MNHN 1865-77, a partial skeleton (anterior trunk and skull), and it is a mold.

Synonyms

Ditrochosaurus capensis was named by Gürich (1889). It is a mold. Its type locality is Hopetown, near intersection of Orange River and Cape Town-Kimberley railroad, which is in an Artinskian offshore shale in the ? Whitehill Formation of South Africa. It is the type species of Ditrochosaurus.

It was recombined as Mesosaurus capensis by Broom (1908) and Stromer (1914); it was synonymized subjectively with Mesosaurus tenuidens by Rossmann and Maisch (1999) and Karl et al. (2007).
Mesosaurus brasiliensis was named by Mac Gregor (1908). Its type specimen is a series of syntypes in the AMNH and is a mold. Its type locality is Irati station, which is in an Artinskian offshore shale in the Irati Formation of Brazil.

It was synonymized subjectively with Mesosaurus tenuidens by Oelofsen and Araujo (1987), Rossmann (2000) and Karl et al. (2007).

Synonymy list

Year	Name and author
1865	Mesosaurus tenuidens Gervais figs. pl. 7
1869	Mesosaurus tenuidens Gervais p. 223
1889	Ditrochosaurus capensis Gürich p. 641 figs. pl. XXVII
1889	Mesosaurus tenuidens Lydekker p. 300 fig. 85
1892	Mesosaurus tenuidens Seeley p. 591 figs. 5 Pl. XVIII
1905	Ditrochosaurus capensis Broom p. 103
1905	Mesosaurus tenuidens Broom pp. 103, 106 figs. 1-5 Pl. IX
1908	Mesosaurus capensis Broom p. 380
1908	Mesosaurus tenuidens Broom p. 380
1908	Mesosaurus brasiliensis Mac Gregor
1914	Mesosaurus capensis Stromer p. 531
1914	Mesosaurus tenuidens Stromer p. 531
1928	Mesosaurus tenuidens Perrier p. 3090
1987	Mesosaurus tenuidens Oelofsen and Araujo p. 370
1999	Mesosaurus tenuidens Rossmann and Maisch p. 72 figs. 1, 2
2000	Mesosaurus tenuidens Rossmann p. 15 fig. 1
2002	Mesosaurus tenuidens Rossmann p. 204 figs. 4, 5
2007	Mesosaurus tenuidens Karl et al. pp. 68, 69 figs. 2-6
2010	Mesosaurus tenuidens Modesto

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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	()

Rank	Name	Author
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
family	Mesosauridae
genus	Mesosaurus
species	tenuidens

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.

†Mesosaurus tenuidens Gervais 1865

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Invalid names: Ditrochosaurus capensis Gürich 1889 [synonym], Mesosaurus brasiliensis Mac Gregor 1908 [synonym]

Diagnosis

No diagnoses are available