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Incamys bolivianus

Mammalia - Rodentia - Chinchillidae

Taxonomy
Incamys bolivianus was named by Hoffstetter and Lavocat (1970). Its type specimen is SAL 117A, SAL 117B, a skull (anterior portion of the skull, back as far as M3, with associated ramus, including a complete set of upper and lower cheek teeth), and it is a 3D body fossil. Its type locality is Salla, which is in a Deseadan terrestrial horizon in the Salla Formation of Bolivia.

Synonyms
  • Incamys pretiosus was named by Lavocat (1976). Its type specimen is MNHN SAL 162, a partial skull ("portio de tête avec région basale de l'arrière-crâne" (part of head with the basicranium)), and it is a 3D body fossil. Its type locality is Salla, which is in a Deseadan terrestrial horizon in the Salla Formation of Bolivia.

    It was synonymized subjectively with Incamys bolivianus by Patterson and Wood (1982).
Synonymy list
YearName and author
1970Incamys bolivianus Hoffstetter and Lavocat
1976Incamys bolivianus Lavocat
1976Incamys pretiosus Lavocat
1982Incamys bolivianus Patterson and Wood
2017Incamys bolivianus Busker and Dozo

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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
—CtenohystricaHuchon et al. 2000
infraorderHystricognathi(Tullberg 1899)
—Caviomorpha(Wood and Patterson 1955)
familyChinchillidaeBennett 1833
genusIncamys
speciesbolivianus

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.

†Incamys bolivianus Hoffstetter and Lavocat 1970
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Invalid names: Incamys pretiosus Lavocat 1976 [synonym]
Diagnosis
ReferenceDiagnosis
F. Busker and M. T. Dozo 2017Cheek teeth tetralophate, marked lingual hypsodonty in uppers; anteroloph fully separated in earliest stages of wear, becoming joined with paracone buccally; other lophs united early and converge posterointernally on hypocone; posterolophid isolated in early stages of wear of lower teeth; other lophids united early and converge anteroexternally on protoconid; metalophid short, connected to protoconid (only cheek teeth; Patterson and Wood, 1982)(Vucetich et al., 2015b).
Measurements
No measurements are available
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 13:31:06
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Carroll 1988, Ji et al. 2002, Nowak 1991, Hendy et al. 2009

Age range: Late/Upper Oligocene or 28.40000 to 23.03000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Deseadan29.0 - 21.0Argentina (Chubut) Incamys bolivianus, Dasyproctidae indet. (14211)
Deseadan29.0 - 21.0Bolivia Incamys bolivianus, Incamys pretiosus (type locality: 95688)
Deseadan29.0 - 21.0Bolivia (La Paz) Incamys bolivianus (133539 133596)
Late/Upper Oligocene28.4 - 23.03Argentina (Mendoza) Incamys bolivianus (220946)