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Oxyclaenus pugnax

Mammalia - Procreodi - Arctocyonidae

Taxonomy
Chriacus pugnax was named by Simpson (1935). Its type locality is Simpson Loc. 78 (lower Lebo), which is in a Torrejonian terrestrial horizon in the Lebo Formation of Montana.

It was recombined as Thangorodrim pugnax by Van Valen (1978); it was recombined as Oxyclaenus pugnax by Van Valen and Sloan (1965) and Robison (1986).

Synonyms
Synonymy list
YearName and author
1935Chriacus pugnax Simpson
1965Oxyclaenus pugnax Van Valen and Sloan
1978Thangorodrim pugnax Van Valen
1978Thangorodrim thalion Van Valen
1986Oxyclaenus pugnax Robison

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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
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
orderProcreodiMatthew 1915
familyArctocyonidaeMurray 1866
genusOxyclaenusCope 1884
speciespugnax(Simpson 1935)

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.

†Oxyclaenus pugnax Simpson 1935
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Invalid names: Thangorodrim thalion Van Valen 1978 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: omnivoref
Reproduction: viviparoussubc
Created: 2005-08-31 13:54:39
Modified: 2011-04-24 18:06:44
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Hendy et al. 2009, Ji et al. 2002, Archibald 1998, Carroll 1988

Age range: base of the Torrejonian to the top of the Puercan or 63.80000 to 63.30000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Puercan66.0 - 63.3USA (Utah) Oxyclaenus pugnax (14670 14692)
Puercan66.0 - 63.3USA (Montana) Oxyclaenus pugnax (14766)
Torrejonian63.8 - 60.9USA (Montana) Chriacus pugnax (type locality: 14910)