Where: La Paz, Bolivia (19.0° S, 66.2° W: paleocoordinates 19.1° S, 65.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ayo Ayo Member (Umala Formation), Piacenzian (3.6 - 2.6 Ma)

• 2.8 Myr Ayo Ayo tuff, which correspond to the base and the top of the Umala Formation and roughly coincide with the Pliocene (Marshall & Sempéré, 1991).

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; tuff

Size classes: macrofossils, mesofossils

Primary reference: L. G. Marshall and T. Sempere. 1991. The Eocene to Pleistocene vertebrates of Bolivia and their stratigraphic context: a review. In R. Suárez-Soruco (ed.), Fósiles y Facies de Bolivia - Vol. 1 Vertebrados (Revista Ténica de YPFB) 12(3-4):631-652 [D. Croft/D. Weinstein/S. Bruning]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 70653: authorized by Darin Croft, entered by Deborah Weinstein on 01.04.2007

Creative Commons license: CC BY (attribution)