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Estancia Don Hipólito (Eocene of Argentina)

Where: Río Negro, Argentina (41.2° S, 70.8° W: paleocoordinates 43.7° S, 61.2° W)

• coordinate based on nearby landmark

When: La Huitrera Formation, Lutetian (48.6 - 40.4 Ma)

• The locality was dated using 40Ar/39Ar analyses in Wilf et al. (2005) and recalculated in Wilf (2012), giving an age of 47.74 ± 0.05 Ma (million years ago).

• group of beds-level stratigraphic resolution

Environment/lithology: crater lake; lithified, tuffaceous sandstone and tuffaceous mudstone

• Shallow lacustrine or swamp environment
• Laminated tuffs and tuffaceous mudstones and sandstones.

Size classes: macrofossils, mesofossils, microfossils

Preservation: adpression, original sporopollenin

Collection methods: chemical

• Repository: paleontological collection of the “Museo del Lago Gutiérrez Dr. Rosendo Pascual de Geología y Paleontología” (Río Negro, Argentina).

Primary reference: V. D. Barreda, L. Palazzesi, M. C. Tellería, L. Katinas, J. V. K. Crisci Bremer, M. G. Passalia, R. Corsolini, R. Rodríguez Brizuela, and F. Bechis. 2010. Eocene Patagonia Fossils of the Daisy Family. Science 329(5999):1621 [C. Jaramillo/C. Jaramillo] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 169453: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 27.05.2015, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)