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Prosigmodon chihuahuensis

Mammalia - Rodentia - Cricetidae

Taxonomy
Prosigmodon chihuahuensis was named by Lindsay and Jacobs (1985). Its type specimen is IGCU 1238, a mandible (left dentary fragment with M1-2), and it is not a trace fossil. Its type locality is Concha (CH-17), which is in a Blancan terrestrial horizon in Mexico.

Synonymy list
YearName and author
1985Prosigmodon chihuahuensis Lindsay and Jacobs
1992Prosigmodon chihuahuensis Carranza-Castañeda and Walton p. 82

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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
infraorderMyodontaSchaub 1958
superfamilyMuroideaIlliger 1811
—Eumuroida
familyCricetidaeFischer von Waldheim 1817
tribeSigmodontiniWagner 1843
genusProsigmodon
specieschihuahuensis

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.

†Prosigmodon chihuahuensis Lindsay and Jacobs 1985
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2005-08-26 14:04:46
Modified: 2005-08-26 16:04:46
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Nowak 1999, Lillegraven 1979, Ji et al. 2002

Age range: base of the Late/Upper Hemphillian to the top of the Blancan or 10.30000 to 1.80000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Hemphillian10.3 - 4.9Mexico (Guanajuato) Prosigmodon chihuahuensis (18738)
Late/Upper Hemphillian10.3 - 4.9Mexico (Chihuahua) Prosigmodon sp. (18755)
Blancan4.9 - 1.8Mexico (Chihuahua) Prosigmodon sp. (20070 type locality: 20071)