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Incamys
Taxonomy
Incamys was named by Hoffstetter and Lavocat (1970).
It was assigned to Caviomorpha by Hoffstetter and Lavocat (1970); to Dasyproctidae by Lavocat (1976), Patterson and Wood (1982); to Chinchilloidea by Vucetich et al. (2015); and to Chinchillidae by Candela et al. (2021).
It was assigned to Caviomorpha by Hoffstetter and Lavocat (1970); to Dasyproctidae by Lavocat (1976), Patterson and Wood (1982); to Chinchilloidea by Vucetich et al. (2015); and to Chinchillidae by Candela et al. (2021).
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Incamys Hoffstetter and Lavocat |
| 1976 | Incamys Lavocat |
| 1982 | Incamys Patterson and Wood p. 395 fig. 7 |
| 2015 | Incamys Vucetich et al. |
| 2021 | Incamys Candela et al. |
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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. †Incamys Hoffstetter and Lavocat 1970
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†Incamys bolivianus Hoffstetter and Lavocat 1970
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Invalid names: Incamys pretiosus Lavocat 1976 [synonym]
†Incamys menniorum Vucetich et al. 2015
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. Patterson and A. E. Wood 1982 | Skull basically dasyproctid, with large orbits and bullae; snout elongate, ventral side horizontal; anterior part of fossa of origin for M. masseter medial is weakly marked, posterior part deep and corrugated; nasals parallel-sided, tubular anteriorly; large interpremaxillary foramen; incisive foramina enormous, elongate and laterally expanded; lateral wall of nasolacrimal canal very thin; inter orbital fenestra between frontal and maxillary; anterior suture of malar with maxillary straight; no postorbital process or jugal fossa on malar; orbitosphenoid large, quadrate; no separate interparietal; mastoid continuous with bulla, inflated and separate; large fenestra between presphenoid and palatine, opening into orbitotemporal fossa; dental formula I1 P1 M3, dm1; incisors slender, proportionately small; cheek teeth tetralophate, marked lingual hypsodonty in uppers; ateroloph fully separate in earliest stages of wear, becoming joined with paracone buccally; other lophs unite early and converge posterointernally on hypocone; posterolophid isolated in early stages of wear of lower teeth; other lophids unite early and converge aneroexternally on protoconid; metalophid short, connected to protoconid. | |
| M. Vucetich et al. 2015 | Cheek teeth tetralophate, marked lingual hypsodonty in uppers; anteroloph fully separated in earliest stages of wear, becoming joined with paracone bucally; other lophs united early and converge poster- ointernally 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). |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Nowak 1991, Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979, Carroll 1988 | |||||
Age range: Late/Upper Oligocene or 27.30000 to 23.04000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Deseadan | Argentina (Chubut) | I. bolivianus, I. menniorum, Dasyproctidae indet. (14211) | |
| Deseadan | Bolivia (La Paz) | I. bolivianus (133539 133596) | |
| Deseadan | Bolivia | I. bolivianus, I. pretiosus (95688) | |
| Late/Upper Oligocene | Argentina (Mendoza) | I. bolivianus (220946) |