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Chasicomys octodontiforme

Osteichthyes - Rodentia - Ctenomyidae

Taxonomy
Chasicomys octodontiforme was named by Pascual (1967). Its type specimen is MLP 55-IV-28-1, a mandible (porcion di rama mandibular izquierda con el incisivo y m1-m2), and it is a 3D body fossil. Its type locality is Barrancas del Arroyo Chasicó, which is in a Chasicoan terrestrial horizon in the Arroyo Chasicó Formation of Argentina.

Synonymy list
YearName and author
1967Chasicomys octodontiforme Pascual figs. 1A, 2-4

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
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
familyCtenomyidaeLesson 1842
genusChasicomysPascual 1967
speciesoctodontiforme

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.

†Chasicomys octodontiforme Pascual 1967
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: fossorialf
Diet: herbivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-26 13:38:32
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Lillegraven 1979, Ji et al. 2002, Nowak 1991

Age range: Chasicoan or 10.00000 to 8.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Chasicoan10.0 - 8.0Argentina (Buenos Aires) Chasicomys octodontiforme (type locality: 140913)