PBDB Taxon

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Tetraclaenodon

Mammalia - Phenacodontidae

Taxonomy

Tetraclaenodon was named by Scott (1892).

It was synonymized subjectively with Euprotogonia by Matthew (1897).

It was assigned to Arctocyonidae by Scott (1892); to Phenacodonta by Archibald (1998); and to Phenacodontidae by Hay (1902), Simpson (1935), Simpson (1937), Matthew (1937), Thewissen (1990), Kondrashov and Lucas (2012), Scott et al. (2013) and Halliday et al. (2017).

Species

T. puercensis (syn. Protogonia subquadrata, Phenacodus calceolatus, Protogonia plicifera, Euprotogonia minor, Mioclaenus floverianus, Protogonia zuniensis, T. symbolicus), T. septentrionalis

Synonyms

Euprotogonia was named by Cope (1893).

It was replaced with Tetraclaenodon by Hay (1899), Hay (1902), Simpson (1937), Matthew (1937) and West (1970).
Protogonia was named by Cope (1881).

It was synonymized subjectively with Euprotogonia by Cope (1893) and Hay (1902); it was synonymized subjectively with Tetraclaenodon by Simpson (1937), Matthew (1937), Gazin (1968), West (1970), Melville (1972) and Thewissen (1990).

It was assigned to Chalicotheriidae by Cope (1881).

Synonymy list

Year	Name and author
1881	Protogonia Cope
1892	Tetraclaenodon Scott p. 299
1893	Euprotogonia Cope
1902	Tetraclaenodon Hay p. 603
1935	Protogonia Cabrerea
1935	Tetraclaenodon Simpson
1937	Tetraclaenodon Matthew
1937	Tetraclaenodon Simpson
1990	Tetraclaenodon Thewissen
1998	Tetraclaenodon Archibald
2012	Tetraclaenodon Kondrashov and Lucas
2013	Tetraclaenodon Scott et al.
2017	Tetraclaenodon Halliday et al. p. 527

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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
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()

Rank	Name	Author
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Theriamorpha	(Rowe 1993)
—	Theriiformes	()
—	Trechnotheria
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Laurasiatheria
—	Scrotifera
—	Euungulata
—	Panperissodactyla
—	Phenacodonta
family	Phenacodontidae	Cope 1881
genus	Tetraclaenodon

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. †Tetraclaenodon Scott 1892

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†Tetraclaenodon puercensis Cope 1881

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Invalid names: Mioclaenus floverianus Cope 1888 [synonym], Phenacodus calceolatus Cope 1883 [synonym], Protogonia plicifera Cope 1882 [synonym], Protogonia subquadrata Cope 1881 [synonym], Protogonia zuniensis Cope 1888 [synonym], Tetraclaenodon symbolicus Gidley 1935 [synonym]

†Tetraclaenodon septentrionalis Thewissen 1990

Invalid names: Euprotogonia Cope 1893 [synonym], Protogonia Cope 1881 [synonym]

Diagnosis

No diagnoses are available