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Pseudoacaremys
Taxonomy
Pseudoacaremys was named by Arnal and Vucetich (2015). Its type is Pseudoacaremys kramarzi.
It was assigned to Acaremyidae by Arnal and Vucetich (2015).
It was assigned to Acaremyidae by Arnal and Vucetich (2015).
Species
P. kramarzi (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2015 | Pseudoacaremys Arnal and Vucetich |
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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. †Pseudoacaremys Arnal and Vucetich 2015
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†Pseudoacaremys kramarzi Arnal and Vucetich 2015
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Arnal and M. Vucetich 2015 | (Autapomorphies marked with asterisk) Size similar to
Acaremys murinus. Upper premolar trilophodont; the protoloph with a very thin connection with the protocone, *hypocone labially placed with respect to the protocone and hypoflexus less developed than in Acaremys murinus and G. antelucanus. Upper molars with an accessory cusp in the protoloph between protocone and paracone unlike Acaremys, Galileomys, Sciamys and Platypittamys, and *hypocone labially placed with respect to the protocone; protoloph of M3 with a thin connection to the protocone, as in P4. The molars are wider anteriorly than posteriorly, as in ‘Acaremys’ tricarinatus. Skull *without a furrow for the passage of the infraorbitalis nerve, *ventral root of the zygoma antero-posteriorly long and dorso-ventrally short, unlike other acaremyids and presence of a well- developed sagittal crest, unlike Sciamys. |
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Carroll 1988, Ji et al. 2002, Hendy et al. 2009, Nowak 1999 | |||||
Age range: Santacrucian or 17.50000 to 16.30000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Santacrucian | Argentina (Santa Cruz) | P. kramarzi (176565 176590 176593) |