Also known as “Chapadmalense", Miembro de las limolitas claras/limolitas estratificadas or Unidad litostratigrafica II

Where: Buenos Aires, Argentina (39.0° S, 61.8° W: paleocoordinates 39.0° S, 60.7° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Neocavia depressidens mammal zone, Puerto Belgrano Formation, Chapadmalalan (4.0 - 3.0 Ma)

• The stratotype of this zone overlies the stratotype of the Zone of Trigodon gaudryi (from the unconformity separating units I and II of Fidalgo and Tonni, 1982) and ranges to the base of the postchapadmalalan (Kraglievich, 1946) Puerto Belgrano Formation of Zavala (1993;

•

•The Zone of Neocavia depressidens should be considered the lower part of the Chapadmalalan.

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; brown, yellow, sandy siltstone and lenticular, white, yellow tuff

Size classes: macrofossils, mesofossils

Primary reference: A. L. Cione and E. P. Tonni. 1996. Reassesment of the Pliocene-Pleistocene continental time scale of Southern South America. Correlation of the type Chapadmalalan with Bolivian sections. Journal of South American Earth Sciences 9(3/4):221-236 [P. Mannion/M. Kouvari/M. Kouvari]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 199156: authorized by Philip Mannion, entered by Miranta Kouvari on 23.01.2019

Creative Commons license: CC BY (attribution)