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Proechimys (spiny rat)

Mammalia - Rodentia

Taxonomy
Proechimys was named by Allen (1899). It is extant.

It was assigned to Octodontidae by Palmer (1904); to Heteropsomyinae by Patterson and Pascual (1968); to Echimyidae by Carvalho and Salles (2004); and to Octodontoidea by Arnal and Vucetich (2015).

Species
P. oconnelli, P. ponderosus
Species lacking formal opinion data
P. poliopus

Synonymy list
YearName and author
1899Proechimys Allen
1904Proechimys Palmer p. 863
1968Proechimys Patterson and Pascual
2004Proechimys Carvalho and Salles
2015Proechimys Arnal and Vucetich

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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()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—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
genusProechimysAllen 1899

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. Proechimys Allen 1899 [spiny rat]
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†Proechimys ponderosus Rovereto 1914
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: Ji et al. 2002, Carroll 1988, Lillegraven 1979, Nowak 1999, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Pleistocene to the top of the Holocene or 2.58000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 0.774 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Pliocene - Early/Lower Pleistocene3.6 - 0.774Venezuela (Monagas) Proechimys sp. (144977)
Pleistocene - Holocene2.58 - 0.0Brazil (Sao Paulo) Proechimys sp. (147815)
Pleistocene - Holocene2.58 - 0.0Brazil (Rio Grande do Sul) Proechimys sp. (211820 211822)
Late/Upper Pleistocene0.129 - 0.0117Brazil (Goiás) Proechimys sp. (211821)
Late/Upper Pleistocene (high glacial)0.129 - 0.0117Venezuela (Zulia) Proechimys poliopus (63515)
Late/Upper Pleistocene0.129 - 0.0117Ecuador (Santa Elena) Proechimys sp. (133630)
Late/Upper Pleistocene0.129 - 0.0117Brazil (Tocantins) Proechimys sp. (149493)
Holocene0.0117 - 0.0Panama Proechimys semispinosus (21691)
Holocene0.0117 - 0.0Peru Proechimys brevicauda, Proechimys steerei, Proechimys simonsi (21689)
Holocene0.0117 - 0.0Brazil (Pará) Proechimys sp. (211490)
Holocene0.0117 - 0.0Brazil (Districto Agropecura) Proechimys cuvieri, Proechimys guyannensis (21687)