Where: Rio Negro, Argentina (39.2° S, 67.7° W: paleocoordinates 39.9° S, 62.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Chichinales Formation, Colhuehuapian (21.0 - 17.5 Ma)

• Formación Chichinales, Edad Mamífero Colhuehupense (ver Barrio et al., 1989)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: M. G. Vucetich and D. H. Verzi. 1991. Un nuevo Echimyidae (Rodentia, Hystricognathi) de la edad Colhuehuapiense de Patagonia y consideraciones sobre la sistematica de la familia. Ameghiniana 28(1-2):67-74 [P. Mannion/M. Kouvari]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 206620: authorized by Philip Mannion, entered by Miranta Kouvari on 22.11.2019

Creative Commons license: CC BY (attribution)