Canyons of Lower valley of Collón Cura River (Miocene of Argentina)

Also known as Las barrancas del valle inferior del rio Collon Cura

Where: Neuquén, Argentina (40.1° S, 70.8° W: paleocoordinates 40.7° S, 66.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Collón Cura Formation, Colloncuran (15.5 - 13.8 Ma)

• This collection had a Friasian age assigned. However, it probably refers to the Friasian sensu lato that includes the Friasian, Colloncuran, Laventan, Mayoan.

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: M. G. Vucetich. 1984. Los roedores de la Edad Friasense (Mioceno medio) de Patagonia. Revista del Museo de la Plata (Nuova serie) Paleontologia 50(8):47-126 [P. Mannion/M. Kouvari]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 207561: authorized by Philip Mannion, entered by Miranta Kouvari on 20.01.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Rodentia - Eocardiidae
Megastus elongatus n. sp.
Megastus elongatus n. sp. Roth 1898 caviomorph
Holotype: MLP 150415
 Rodentia - Dasyproctidae
Alloiomys friasensis
Alloiomys friasensis Kraglievich 1930 caviomorph
MLP 15-416
 Rodentia - Chinchillidae
Prolagostomus pusillus, Pliolagostomus sp., Pliolagostomus friasensis n. sp.
Prolagostomus pusillus Ameghino 1887 chinchilid
MLP 15-418c
Pliolagostomus sp. Ameghino 1887 chinchilid
MLP 15-418
Pliolagostomus friasensis n. sp. Vucetich 1984 chinchilid
Holotype: MMP 673