Gateway to the Paleobiology Database
Gran Barranca Deseadan (Oligocene of Argentina)

Also known as Couches à Pyrotherium, Pyrotherium beds, Piso Pyrotheriense

Where: Chubut, Argentina (45.7° S, 68.7° W: paleocoordinates 47.0° S, 61.0° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Deseadan mammal zone, Upper Puesto Almendra Member (Sarmiento Formation), Late/Upper Oligocene (28.4 - 23.0 Ma)

• Unit 3 of the Upper Puesto Almendra Member at Gran Barranca, Chubut.

•Deseadan SALMA, Late Oligocene (Woodburne et al. 2014).

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by C. Ameghino

Primary reference: A. M. Ribeiro, G. M. López, and M. Bond. 2010. The Leontiniidae (Mammalia, Notoungulata) from the Sarmiento Formation at Gran Barranca, Chubut Province, Argentina. In R. H. Madden, A. A. Carlini, M. G. Vucetich, R. F. Kay (eds.), The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia 170-181 [J. Zijlstra/J. Zijlstra/J. Zijlstra] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 176235: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 03.02.2016

Creative Commons license: CC BY (attribution)