Where: Chubut, Argentina (43.4° S, 65.5° W: paleocoordinates 44.0° S, 59.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Trelew Member (Sarmiento Formation), Colhuehuapian (21.0 - 17.5 Ma)

• Trelew Member (friable level)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected in 1990 & 1992 and 2007 & 2018

• These materials were collected during several field trips in 1990 and 1992 by members of the Laboratory of Paleontology of the Centro Nacional Patagónico (CENPAT, Puerto Madryn, Chubut) and the Museo de La Plata (MLP, La Plata, Buenos Aires), and during trips from 2007 to 2018 by members of the Museo Paleontológico Egidio Feruglio (MEF, Trelew, Chubut).

•The specimens are housed at the Museo Paleontológico Egidio Feruglio

Primary reference: F. Busker, M. E. Pérez, and M. T. Dozo. 2019. A new chinchilloid (Rodentia, Hystricognathi) from the early Miocene of the localities of Bryn Gwyn and Gran Barranca (Patagonia, Argentina). Comptes Rendus Palevol 18(5):525-540 [P. Mannion/M. Kouvari/E. Vlachos]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 203921: authorized by Philip Mannion, entered by Miranta Kouvari on 28.08.2019

Creative Commons license: CC BY (attribution)