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Sipalocyon externus

Mammalia - Sparassodonta

Taxonomy
Cladosictis externa was named by Ameghino (1902). Its type specimen is MACN 52-383, a partial skull (partial skull with left P3-M3), and it is a 3D body fossil. Its type locality is Gran Barranca - southern cliff of lake Colhué Huapí, which is in a Colhuehuapian terrestrial horizon in the Sarmiento Formation of Argentina.

It was recombined as Sipalocyon externa by Marshall (1981); it was recombined as Sipalocyon externus by Goin et al. (2007).

Synonymy list
YearName and author
1902Cladosictis externa Ameghino p. 130
1981Sipalocyon externa Marshall
2007Sipalocyon externus Goin et al.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
Therapsida()
RankNameAuthor
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes(Rowe 1988)
Trechnotheria
Cladotheria
Boreosphenida()
subclassTheria
subclassMetatheria()
orderSparassodonta()
subfamilyHathlyacininae()
genusSipalocyonAmeghino 1887
speciesexternus()

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.

Diagnosis
No diagnoses are available