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Gateway to the Paleobiology Database
La Chumbiada (Pleistocene of Argentina)

Where: Buenos Aires, Argentina (35.7° S, 58.8° W: paleocoordinates 35.8° S, 58.8° W)

• coordinate stated in text

• 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 and C. P. Alonso. 2016. Two late Pleistocene members of the white-grub complex, one of the most destructive insect pests of turfgrasses. Revista Brasileira de Paleontologia 19:531-536 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184124: authorized by Matthew Clapham, entered by Matthew Clapham on 02.02.2017

Creative Commons license: CC BY (attribution)