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La Angostura, Margin of Piraí River (Y70) (Miocene of Bolivia)

Also known as 50 km southwest of Santa Cruz de la Sierra

Where: Santa Cruz, Bolivia (18.2° S, 63.5° W: paleocoordinates 18.3° S, 61.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Yecua Formation, Late/Upper Miocene (11.6 - 5.3 Ma)

• Level Y20 - low in the formation

• bed-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; quartzose, green sandstone

• lowland shallow freshwater lakes and rivers
• Green-purple laminate pelitic sequence, consisting of 10−20 cm of very coarse quartzose massive sandstones

Size class: macrofossils

Primary reference: D. E. Tineo, P. Bona, L. M. Pérez, G. D. Vergani, G. González, D. G. Poiré, Z. Gasparini and P. Legarreta. 2015. Palaeoenvironmental implications of the giant crocodylian Mourasuchus (Alligatoridae, Caimaninae) in the Yecua Formation (late Miocene) of Bolivia. Alcheringa 39 [P. Mannion/P. Mannion] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 167953: authorized by Philip Mannion, entered by Philip Mannion on 10.04.2015

Creative Commons license: CC BY (attribution)