ammonites
Bajo San José Lower Section, Buenos Aires, Argentina (Pleistocene of Argentina)

Where: Buenos Aires, Argentina (38.5° S, 61.8° W: paleocoordinates 38.5° S, 61.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Middle Pleistocene (0.8 - 0.1 Ma)

• assigned to the "San José Sequence;" proposed to be Bonaerian SALMA in age

Environment/lithology: terrestrial; coarse-grained, carbonaceous conglomerate and sandstone

• a high terrance level discontinuous along the Sauce Grande river valley

Size classes: macrofossils, mesofossils

Collection methods: bulk, quarrying, surface (float), surface (in situ),

• Cátedra de Geología Histórica from the Universidad Nacional del Sur, Bahía Blanca

Primary reference: C. M. Deschamps. 2005. Late Cenozoic mammal bio-chronostratigraphy in southwestern Buenos Aires Province, Argentina. Ameghiniana 42(4):733-750 [D. Croft/D. Croft] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 63335: authorized by Darin Croft, entered by Darin Croft on 11.08.2006