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900 m SW of Punta Hermengo (lower) (Pleistocene of Argentina)

Where: Buenos Aires, Argentina (38.3° S, 57.9° W: paleocoordinates 38.3° S, 57.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Miramar Formation, Ensenadan (1.2 - 0.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: loess; siltstone

• Fossils are from cliffs composed of reddish/yellowish loess, mostly fine sand and lime.

Size classes: macrofossils, mesofossils

Primary reference: E. P. Tonni. 1970. Zonotrichia robusta n.sp. (Aves, Passeriformes, Emberizidae) from middle Pleistocene of Buenos Aires Province. Ameghiniana 7:161-165 [J. Alroy/J. Wertheim/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 36611: authorized by John Alroy, entered by Jill Wertheim on 06.02.2004

Creative Commons license: CC BY (attribution)