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Brachystephanus postremus

Osteichthyes - Notoungulata - Oldfieldthomasiidae

Taxonomy
Brachystephanus postremus was named by Simpson et al. (1962). Its type specimen is AMNH 45946, a partial skull (associated partial skull and jaws with right I2-3, P2-4, M1-3, left P1-4, M1-3, right c1, p3-4, m1-3, left p3-4, m1-3), and it is a 3D body fossil. Its type locality is Divisadero Largo, which is in a Divisaderan terrestrial horizon in the Divisadero Largo Formation of Argentina. It is the type species of Brachystephanus.

Entered
by J. Zijlstra on 2016-02-13

Synonymy list
YearName and author
1962Brachystephanus postremus Simpson et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
RankNameAuthor
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
superorderAfrotheria
Paenungulatomorpha
superorderPaenungulata
Sudamericungulata
orderNotoungulata
familyOldfieldthomasiidaeSimpson 1945
genusBrachystephanus
speciespostremus

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.

Brachystephanus postremus Simpson et al. 1962
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2009-01-05 17:11:49
Modified: 2009-01-05 19:11:49
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Ji et al. 2002, MacFadden et al. 1996, Hendy et al. 2009, Lillegraven 1979

Age range: Divisaderan or 42.00000 to 36.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Divisaderan42.0 - 36.0Argentina (Mendoza) Brachystephanus postremus (type locality: 92669)