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Oxyclaenus

Mammalia - Procreodi - Arctocyonidae

Taxonomy
Oxyclaenus was named by Cope (1884) [first use as a genus by Scott 1892; Cope 1884 had used it only as a subgenus]. It is not extant. Its type is Mioclaenus cuspidatus. It is the type genus of Oxyclaenidae.

It was assigned to Cete by Archibald (1998); to Oxyclaenidae by Scott (1892), Hay (1902), Hay (1930), Eberle (2003); to Acreodi by Tabuce et al. (2011); and to Arctocyonidae by Atteberry and Eberle (2021).

Synonyms
Synonymy list
YearName and author
1884Oxyclaenus Cope
1892Oxyclaenus Scott p. 295
1892Microclaenodon Scott p. 302
1902Oxyclaenus Hay p. 744
1902Microclaenodon Hay p. 748
1930Oxyclaenus Hay p. 460
1930Microclaenodon Hay p. 466
1966Microclaenodon Szalay and Gould p. 156
1978Thangorodrim Van Valen
1997Microclaenodon McKenna and Bell p. 366
1998Microclaenodon Archibald
1998Oxyclaenus Archibald p. 316
2003Oxyclaenus Eberle p. 152
2011Oxyclaenus Tabuce et al. p. 152
2021Oxyclaenus Atteberry and Eberle

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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
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
orderProcreodiMatthew 1915
familyArctocyonidaeMurray 1866
genusOxyclaenusCope 1884

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. †Oxyclaenus Cope 1884
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†Oxyclaenus corax Johnston and Fox 1984
†Oxyclaenus cuspidatus Cope 1884
†Oxyclaenus pugnax Simpson 1935
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Invalid names: Thangorodrim thalion Van Valen 1978 [synonym]
†Oxyclaenus simplex Cope 1884
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Invalid names: Mioclaenus filholianus Cope 1888 [synonym]
†Oxyclaenus subbituminus Middleton and Dewar 2004
Invalid names: Microclaenodon Scott 1892 [synonym], Thangorodrim 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 (23 total)


Time interval Ma Country or state Original ID and collection number
Puercan66.0 - 63.8Canada (Saskatchewan) O. corax (14768) O. sp. (14691)
Puercan66.0 - 63.8USA (Wyoming) O. cuspidatus (14723) O. simplex (14803) O. sp., O. cuspidatus (14729)
Puercan66.0 - 63.8USA (Montana) O. pugnax (14766) O. simplex (14809) O. sp. (14745)
Puercan66.0 - 63.8USA (Colorado) O. cuspidatus (14683 14689) O. subbituminus (14658)
Puercan66.0 - 63.8USA (New Mexico) O. cuspidatus, O. simplex (14662 14703 14760)
Puercan66.0 - 63.8USA (Utah) O. pugnax (14670 14692) O. simplex (14791) O. sp. (14790)
Torrejonian63.8 - 60.9USA (Wyoming) Microclaenodon assurgens (14912)
Torrejonian63.8 - 60.9USA (Montana) Chriacus pugnax (14910)
Torrejonian63.8 - 60.9USA (New Mexico) Microclaenodon assurgens (14865 14868 14893)