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Orthoarthrus

Mammalia

Taxonomy
Orthoarthrus was named by Ameghino (1904). Its type is Orthoarthrus mixtus.

It was assigned to Manidae by Ameghino (1904); and to Xenarthra by Mones (1986).

Species
O. mixtus (type species)

Synonymy list
YearName and author
1904Orthoarthrus Ameghino p. 130
1986Orthoarthrus Mones

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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
RankNameAuthor
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Americatheria
—Xenarthra()
genusOrthoarthrus

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. †Orthoarthrus Ameghino 1904
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†Orthoarthrus mixtus Ameghino 1904
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: omnivoreo
Reproduction: viviparoussubc
Created: 2005-08-26 13:20:40
Modified: 2005-08-26 15:20:40
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Hendy et al. 2009, Ji et al. 2002, Carroll 1988, Nowak 1999

Age range: Santacrucian or 17.50000 to 16.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Santacrucian17.5 - 16.3Argentina (Santa Cruz) O. mixtus (27313)