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Pithanotomys columnaris

Mammalia - Rodentia - Octodontidae

Taxonomy
Pithanotomys columnaris was named by Ameghino (1887).

Subspecies
P. mendocina

Synonymy list
YearName and author
1887Pithanotomys columnaris Ameghino
1914Pithanotomys columnaris Rovereto p. 137
2012Pithanotomys columnaris Deschamps 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
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
RankNameAuthor
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
—CtenohystricaHuchon et al. 2000
infraorderHystricognathi(Tullberg 1899)
—Caviomorpha(Wood and Patterson 1955)
superfamilyOctodontoideaWaterhouse 1839
familyOctodontidaeWaterhouse 1839
genusPithanotomysAmeghino 1887
speciescolumnarisAmeghino 1887

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.

†Pithanotomys columnaris Ameghino 1887
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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: 2005-06-08 10:11:09
Modified: 2005-08-26 13:40:07
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Nowak 1991, Ji et al. 2002, Lillegraven 1979, Carroll 1988, Hendy et al. 2009

Age range: base of the Montehermosan to the top of the Chapadmalalan or 5.00000 to 3.00000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Pliocene5.333 - 3.6Argentina (Buenos Aires) Pithanotomys sp. (191770)
Zanclean5.333 - 3.6Argentina (Catamarca) Pithanotomys columnaris (198549)
Montehermosan5.0 - 3.8Argentina (Buenos Aires) Pithanotomys columnaris (145757 152081 152085 152088 198687 198863)
Montehermosan - Chapadmalalan5.0 - 3.0Argentina (Catamarca) Pithanotomys columnaris (157795)
Late/Upper Pliocene3.6 - 2.588Argentina (Buenos Aires) Pithanotomys columnaris (199155)