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Lacayani Fauna ( of Bolivia)

Also known as Deseadian

Where: None, Bolivia (16.6° S, 67.9° W: paleocoordinates 17.8° S, 62.2° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Puca Group, Deseadan (29.0 - 21.0 Ma)

• Overlying the Puca Group represented by tectonically deformed Cretaceous and Paleogene layers.

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; red claystone and brown, yellow, conglomeratic sandstone

• reddish clays (fossiliferous sediments), alternating muds, brown-yellow sands and conglomerates (made up of metasedimentary, sandstone, Cretaceous volcanic clasts)

Size class: macrofossils

Collection methods: surface (float),

Primary reference: R. Hoffstetter, C. Martinez, M. Mattauer and P. Tomasi. 1971. Lacayani, a new Bolivian horizon of deseadian mammals; lower Oligocene. (Lacayani, un nouveau gisement bolivien de Mammiferes deseadiens (Oligocene inferieur).). Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, Serie D: Sciences Naturelles, 273(23):2215-2218 [J. Alroy/R. Whatley/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 13276: authorized by John Alroy, entered by Robin Whatley on 12.02.2002, edited by Philip Mannion and Jelle Zijlstra

Creative Commons license: CC BY (attribution)