Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Oxymycterus (hocicudo)

Mammalia - Rodentia - Cricetidae

Taxonomy
Oxymycterus was named by Waterhouse (1837). It is extant.

It was assigned to Sigmodontinae by Waterhouse (1837); and to Akodontini by D'Elía (2003).

Synonymy list
YearName and author
1837Oxymycterus Waterhouse
2003Oxymycterus D'Elía p. 315

Is something missing? Join the Paleobiology Database and enter the data

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
infraorderMyodontaSchaub 1958
superfamilyMuroideaIlliger 1811
—Eumuroida
familyCricetidaeFischer von Waldheim 1817
subfamilySigmodontinaeWagner 1843
—Oryzomyalia
tribeAkodontiniVorontzov 1959
genusOxymycterusWaterhouse 1837

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. Oxymycterus Waterhouse 1837 [hocicudo]
show all | hide all
†Oxymycterus impexus Ameghino 1889
Oxymycterus nasutus Waterhouse 1837
Oxymycterus roberti Thomas 1901
Oxymycterus rufus Fischer 1814 [red hocicudo]
hide
Invalid names: Oxymycterus rutilans Olfers 1818 [synonym]
Oxymycterus wayku Jayat et al. 2008
Diagnosis
No diagnoses are available
Body mass estimates
estimateequationreference
 121.0 g Mammalia femur diameterGingerich 1990
 140.0 g Mammalia humerus diameterGingerich 1990
 163.3 g Mammalia tibia diameterGingerich 1990
mean: 140.4 g
Measurements
partNmean
femur diameter12.35
humerus diameter12.30
radius diameter10.900
tibia diameter12.40

Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: semifossorialg
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2012-05-15 12:48:28
Modified: 2012-05-14 21:48:28
Source: g = genus, o = order, subc = subclass, c = class, subp = subphylum
References: Samuels and Van Valkenburgh 2008, Lillegraven 1979, Nowak 1999, Carroll 1988, Ji et al. 2002, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Early/Lower Pleistocene to the top of the Holocene or 2.58800 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 0.781 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Pleistocene2.588 - 0.781Bolivia (Tarija ) Oxymycterus paranensis (70673)
Middle Pleistocene0.774 - 0.129Argentina (Buenos Aires) Oxymycterus sp. (63335)
Rancholabrean0.3 - 0.012Mexico (Sonora) Oxymycterus flavescens (213027)
Late/Upper Pleistocene0.129 - 0.0117Argentina (Tucuman) Oxymycterus wayku (141182)
Late/Upper Pleistocene - Holocene0.129 - 0.0Argentina (Tucuman) Oxymycterus sp. (216696)
Holocene0.0117 - 0.0Brazil (Rio Grande do Sul) Oxymycterus sp. (211634)