Where: Buenos Aires, Argentina (37.0° S, 60.3° W: paleocoordinates 37.0° S, 58.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Montehermosan (5.0 - 3.8 Ma)

• 1.50 m above the base of the underlying Loma Negra Formation; shown by Prado et al. 1998 to come from a sincle bed of about 2 m

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; concretionary, brown, argillaceous siltstone

Size class: macrofossils

Collection methods: no information given on collecting methods; material is reposited in the Universidad Nacional del Centro (Olavarría)

Primary reference: J. L. Prado, G. J. Scillato-Yané, and E. P. Tonni. 1993. Calera Avellaneda: una localidad con mamiferos del Plioceno en las sierras septentrionales de la provincia de Buenos Aires. Ameghiniana 30(3):335-336 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 83282: authorized by John Alroy, entered by John Alroy on 14.08.2008

Creative Commons license: CC BY (attribution)