Gateway to the Paleobiology Database
Salado River, General Belgrano (Pleistocene of Argentina)

Where: Buenos Aires, Argentina (35.7° S, 58.5° W: paleocoordinates 35.7° S, 58.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Guerrero Member (Luján Formation), Late/Upper Pleistocene (0.1 - 0.0 Ma)

• The age of the sediments containing fossil insects ranges between 12,100 ± 100 14C BP and 13,400 ± 200 14C BP and was obtained by radiocarbon analysis of bone collagen and molluscan shells.

• bed-level stratigraphic resolution

Environment/lithology: pond; unlithified, brown, green, sandy claystone

• Small paleopond environment that was filled by fluvial sediments
• Greenish brown sandy clays, exhibiting abundant organic matter, gypsum, and carbonate concretions

Size classes: macrofossils, mesofossils

Collection methods: Repository: Museo Histórico Municipal "Alfredo Enrique Mulgura" of General Belgrano City (MHM)

Primary reference: L. C. Ramírez, R. Carrara, V. A. Silvestro and G. E. Flores. 2016. First fossil assemblage of darkling beetles (Coleoptera: Tenebrionidae) from Buenos Aires, Argentina: evidence of dry climate during the Late Pleistocene in the humid Pampas. Annales Zoologici 66:643-652 [M. Clapham/M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 125395: authorized by James Jepson, entered by James Jepson on 09.03.2012, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)