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Anisonchus oligistus

Mammalia - Periptychidae

Taxonomy
Anisonchus oligistus was named by Gazin (1941). Its type specimen is USNM 16192, a partial skull (Left maxillary portion with M1 and M2 associated portion of left ramus of mandible), and it is a 3D body fossil. Its type locality is Wagonroad Lower Horizon, which is in a Puercan terrestrial horizon in the North Horn Formation of Utah.

It was recombined as Gillisonchus oligistus by Rigby (1981).

Synonymy list
YearName and author
1941Anisonchus oligistus Gazin pp. 47 - 48 figs. Figure 27
1981Gillisonchus oligistus Rigby
1999Anisonchus oligistus Cifelli et al.

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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
—Bulbulodentata
familyPeriptychidaeCope 1882
genusAnisonchus
speciesoligistus

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.

†Anisonchus oligistus Gazin 1941
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: herbivoref
Reproduction: viviparoussubc
Created: 2005-08-31 14:00:01
Modified: 2005-08-31 16:00:01
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Archibald 1998, Carroll 1988, Lillegraven 1979, Ji et al. 2002

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

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Puercan66.0 - 63.8Canada (Saskatchewan) Anisonchus oligistus (14768)
Puercan66.0 - 63.8USA (Montana) Anisonchus oligistus (14766)
Puercan66.0 - 63.8USA (Utah) Anisonchus oligistus (14736 type locality: 14790 224186)
Torrejonian63.8 - 60.9USA (Utah) Anisonchus oligistus (14883)