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Oligoryzomys (pygmy rice rat)

Mammalia - Rodentia - Cricetidae

Taxonomy
Oligoryzomys was named by Bangs (1900). It is extant.

It was assigned to Cricetinae by Palmer (1904); and to Sigmodontinae by Salles et al. (2006).

Species
O. eliurus, O. flavescens, O. longicaudatus
Species lacking formal opinion data
O. occidentalis

Synonymy list
YearName and author
1900Oligoryzomys Bangs
1904Oligoryzomys Palmer p. 853
2006Oligoryzomys Salles et al. p. 9

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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
RankNameAuthor
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—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
subfamilySigmodontinaeWagner 1843
genusOligoryzomysBangs 1900

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.

G. Oligoryzomys Bangs 1900 [pygmy rice rat]
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Oligoryzomys flavescens Waterhouse 1837
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, Ji et al. 2002, Carroll 1988, Nowak 1999, Lillegraven 1979

Age range

Maximum range based only on fossils: base of the Late/Upper Pliocene to the top of the Holocene or 3.60000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 2.588 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Pliocene3.6 - 2.588Venezuela (Falcon) Oligoryzomys sp. (122033)
Pleistocene - Holocene2.588 - 0.0Brazil (Mato Grosso do Sul) Oligoryzomys sp. (92813)
Pleistocene - Holocene2.588 - 0.0Brazil (Rio Grande do Sul) Oligoryzomys sp. (211820)
Rancholabrean0.3 - 0.012Mexico (Sonora) Oligoryzomys brendae (213027)
Late/Upper Pleistocene0.129 - 0.0117Argentina (Tucuman) Oligoryzomys flavescens, Oligoryzomys longicaudatus (141182)
Late/Upper Pleistocene0.129 - 0.0117Brazil (Goiás) Oligoryzomys sp. (211821)
Late/Upper Pleistocene - Holocene0.129 - 0.0Saint Vincent and the Grenadines Oligoryzomys victus (214633)
Late/Upper Pleistocene - Holocene0.129 - 0.0Argentina (Tucuman) Oligoryzomys brendae, Oligoryzomys occidentalis (216696)
Holocene0.0117 - 0.0Brazil (Rio Grande do Sul) Oligoryzomys sp. (211634)
Holocene0.0117 - 0.0Peru Oligoryzomys microtis (21689)
Holocene0.0117 - 0.0Argentina (Mendoza) Oligoryzomys flavescens (212466)