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Cavia aperea (Brazilian guinea pig)

Mammalia - Rodentia - Caviidae

Synonymy list
YearName and author
1777Cavia aperea Erxleben
2010Cavia aperea Dunnum and Salazar-Bravo p. 379
2012Cavia aperea Gava 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
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)
superfamilyCavioideaFischer de Waldheim 1817
familyCaviidae
genusCaviaPallas 1766
speciesapereaErxleben 1777

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.

Cavia aperea Erxleben 1777 [Brazilian guinea pig]
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Cavia aperea aperea Erxleben 1777
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Invalid names: Cavia anolaimae Allen 1916 [synonym], Cavia guianae caripensis Ojasti 1964 [synonym], Cavia porcellus venezuelae Allen 1911 [synonym]
Cavia aperea nana Thomas 1917
Diagnosis
No diagnoses are available
Body mass estimates
estimateequationreference
 390.8 g Mammalia femur diameterGingerich 1990
 481.4 g Mammalia humerus diameterGingerich 1990
 484.6 g Mammalia tibia diameterGingerich 1990
mean: 450.1 g
Measurements
partNmean
femur diameter13.60
humerus diameter13.70
radius diameter11.50
tibia diameter13.60

Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: herbivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-26 13:33:05
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Ji et al. 2002, Lillegraven 1979, Nowak 1991

Age range

Maximum range based only on fossils: base of the Montehermosan to the top of the Holocene or 5.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 3.8 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Montehermosan5.0 - 3.8Argentina (Buenos Aires) Cavia aperea (198863)
Holocene0.0117 - 0.0Argentina (Buenos Aires) Cavia aperea (63338 63339 63342)
Holocene0.0117 - 0.0Brazil (Sao Paulo) Cavia aperea (71269)
Holocene0.0117 - 0.0Argentina (Entre Ríos) Cavia aperea (212781)
Holocene0.0117 - 0.0Brazil (Rio Grande do Sul) Cavia aperea (211629 211630)