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Orthoarthrus mixtus

Osteichthyes

Taxonomy
Orthoarthrus mixtus was named by Ameghino (1904). Its type specimen is MLP 69-IX-5-16, a limb element (left astragalus), and it is a 3D body fossil. Its type locality is Santa Cruz Formation, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina. It is the type species of Orthoarthrus.

Synonymy list
YearName and author
1904Orthoarthrus mixtus Ameghino p. 130

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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
RankNameAuthor
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Americatheria
—Xenarthra()
genusOrthoarthrus
speciesmixtus

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.

†Orthoarthrus mixtus Ameghino 1904
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Diagnosis
No diagnoses are available