Acarechimys minutus Patterson and Pascual 1967 (caviomorph)

Mammalia - Rodentia

from Arnal et al 2017: Type series. MLP 15-410a, left mandible with m1-3; MACN- A 237, right mandible with dp4-m3; MACN-A 238, right mandible with dp4-m3; MACN-A 4075, right mandible with dp4-m1. Lectotype. MLP 15-410a Patterson (UMS, pers. comm.) and Pascual, 1967. Paralectotypes. MACN-A 237, MACN-A 238, MACN-A 4075. Referred material. (Supplementary appendix 1)

Synonym: Acaremys minutus Ameghino 1887 [objective synonym]

Belongs to Acarechimys according to S. F. VizcaĆ­no et al. 2022

See also Ameghino 1891, Ameghino 1894, Arnal et al. 2017 and Verzi et al. 2017

Sister taxa: Acarechimys constans, Acarechimys gracilis, Acarechimys leucotheae, Acarechimys minutissimus

Type specimens:

  • Acarechimys minutus: MLP 15-410a, MACN- A 237, MACN-A 238, MACN-A 4075, a mandible (MLP 15-410a, left mandible with m1-3; MACN- A 237, right mandible with dp4-m3; MACN-A 238, right mandible with dp4-m3; MACN-A 4075, right mandible with dp4-m1). Its type locality is Barrancas Blancas upper (section between Estancia Santa Lucia & Aguada Grande), which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
  • Acaremys minutus:

Ecology: ground dwelling herbivore

Distribution:

• Miocene of Argentina (16 collections), Bolivia (1), Chile (1)

Total: 18 collections including 19 occurrences

Show more details


Specimen images are retrieved through the ePANDDA API.


Click image to enlarge. Click to access iDigBio record.