Punta Nava upper Deseadan level ( of Argentina)

Where: Santa Cruz, Argentina (47.0° S, 66.5° W: paleocoordinates 48.1° S, 58.9° W)

• coordinate stated in text

• local area-level geographic resolution

When: Sarmiento Formation, Deseadan (29.0 - 21.0 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Primary reference: M. E. PĂ©rez, M. Krause, and M. G. Vucetich. 2012. A new species of Chubutomys (Rodentia, Hystricognathi) from the late Oligocene of Patagonia and its implications on the early evolutionary history of Cavioidea sensu stricto. Geobios 45(6):573-580 [J. Zijlstra/J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176627: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 18.02.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Astrapotheria - Astrapotheriidae
Astrapotheriidae indet. Ameghino 1887 placental
 Notoungulata - Toxodontidae
Toxodontidae indet. Ameghino 1889 notoungulate