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Trimerostephanos

Mammalia - Notoungulata - Isotemnidae

Taxonomy
Trimerostephanos was named by Ameghino (1895). It is not extant.

It was assigned to Isotemnidae by Ameghino (1897) and Carroll (1988); and to Notohippidae by Bond and López (1993).

Synonymy list
YearName and author
1895Trimerostephanos Ameghino
1897Trimerostephanos Ameghino p. 483
1988Trimerostephanos Carroll
1993Trimerostephanos Bond and López p. 66

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—AfrotheriaStanhope et al. 1998
—Paenungulatomorpha
—PaenungulataSimpson 1945
—Sudamericungulata
orderNotoungulata
suborderToxodontiaAmeghino 1887
familyIsotemnidae
genusTrimerostephanosAmeghino 1895

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. †Trimerostephanos Ameghino 1895
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†Trimerostephanos coalitus Ameghino 1901
†Trimerostephanos coarctatus Ameghino 1901
†Trimerostephanos scabrus Ameghino 1894
†Trimerostephanos scalaris Ameghino 1897
Diagnosis
No diagnoses are available