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Praectenomys rhombidens

Mammalia - Rodentia - Ctenomyidae

Taxonomy
Praectenomys rhombidens was named by Quintana (1994). Its type specimen is GB 011, a partial skull (anterior part of the skull.), and it is a 3D body fossil.

Synonyms
  • Praectenomys vagus was named by Villaroel (1975). Its type specimen is GB 010 and is a 3D body fossil.

    It was synonymized subjectively with Praectenomys rhombidens by Quintana (1994).
Synonymy list
YearName and author
1975Praectenomys vagus Villaroel
1994Praectenomys rhombidens Quintana

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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
—Mammaliaformes
classMammalia
RankNameAuthor
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—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
genusPraectenomysVillarroel 1975
speciesrhombidens

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.

†Praectenomys rhombidens Quintana 1994
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Invalid names: Praectenomys vagus Villaroel 1975 [synonym]
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: Lillegraven 1979, Ji et al. 2002, Carroll 1988, Hendy et al. 2009, Nowak 1991

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

Collections: one only


Time interval Ma Country or state Original ID and collection number
Montehermosan - Chapadmalalan5.0 - 3.0Bolivia (La Paz) Praectenomys rhombidens, Praectenomys vagus (70641)