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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), 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()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—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: Carroll 1988, Archibald 1998, Lillegraven 1979, Hendy et al. 2009, Ji et al. 2002

Age range: base of the Puercan to the top of the Torrejonian or 66.00000 to 60.90000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Puercan66.0 - 63.8USA (Utah) Oxyclaenus pugnax (14670 14692)
Puercan66.0 - 63.8USA (Montana) Oxyclaenus pugnax (14766)
Torrejonian63.8 - 60.9USA (Montana) Chriacus pugnax (type locality: 14910)