Where: Santa Cruz, Argentina (46.7° S, 68.4° W: paleocoordinates 47.9° S, 60.8° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Sarmiento Formation, Deseadan (29.0 - 21.0 Ma)

• Deseadan in age on the basis of mammals. Marshall et al. (1986) suggested the mammalian fauna is older than a basalt dated at 33.6 +/- 0.4 Ma, but this is inconsistent with currently accepted dates for the Deseadan SALMA.

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by Marshall Field Expedition in 1924; reposited in the FMNH

Primary reference: L. G. Marshall, R. L. Cifelli, R. E. Drake and G. H. Curtis. 1986. Vertebrate paleontology, geology, and geochronology of the Tapera de López and Scarritt Pocket, Chubut Province, Argentina. Journal of Paleontology 60(4):920-951 [D. Croft/D. Croft/D. Croft]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 176269: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 05.02.2016, edited by Philip Mannion and Grace Varnham

Creative Commons license: CC BY (attribution)