PBDB Taxon

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Eohyrax

Mammalia - Notoungulata - Archaeohyracidae

Taxonomy

Eohyrax was named by Ameghino (1901). Its type is Eohyrax rusticus.

It was assigned to Archaeohyracidae by Ameghino (1901), Simpson (1967), Carroll (1988) and Reguero and Prevosti (2010).

Species

E. brachyodus, E. isotemnoides, E. platyodus, E. praerusticus, E. rusticus (type species)

Synonyms

Eohyrax brachyodus was named by Ameghino (1902). It is a 3D body fossil. Its type locality is Mustersan of Patagonia, which is in a Mustersan terrestrial horizon in Argentina.

It was considered a nomen vanum by Simpson (1967).
Eohyrax platyodus was named by Ameghino (1904) [The type is a lectotype, as designated by Simpson (1967)]. Its type specimen is MACN A10908e, left m1, a tooth, and it is a 3D body fossil. Its type locality is Mustersan of Patagonia, which is in a Mustersan terrestrial horizon in Argentina.

It was considered a nomen dubium by Hitz et al. (2000).

Synonymy list

Year	Name and author
1901	Eohyrax Ameghino p. 363
1902	Eohyrax brachyodus Ameghino p. 11–12
1904	Eohyrax platyodus Ameghino p. 10
1967	Eohyrax Simpson
1967	Eohyrax platyodus Simpson p. 108
1988	Eohyrax Carroll
2010	Eohyrax Reguero and Prevosti

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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	()
—	Mammaliamorpha

Rank	Name	Author
—	Mammaliaformes
class	Mammalia
—	Theriamorpha	(Rowe 1993)
—	Theriiformes	()
—	Trechnotheria
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Afrotheria	Stanhope et al. 1998
—	Paenungulatomorpha
—	Paenungulata	Simpson 1945
—	Sudamericungulata
order	Notoungulata
suborder	Typotheria	Zittel 1892
superfamily	Typotherioidea	Reguero and Castro 2004
family	Archaeohyracidae
genus	Eohyrax

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. †Eohyrax Ameghino 1901

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†Eohyrax isotemnoides Ameghino 1904

†Eohyrax praerusticus Ameghino 1902

†Eohyrax rusticus Ameghino 1901

Invalid names: Eohyrax brachyodus Ameghino 1902 [nomen vanum], Eohyrax platyodus Ameghino 1904 [nomen dubium]

Diagnosis

No diagnoses are available