Gateway to the Paleobiology Database
Rio Chico - RCH 018S (Miocene of Argentina)

Where: Río Negro, Argentina (41.7° S, 70.5° W: paleocoordinates 42.2° S, 66.3° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Colloncuran mammal zone, Collón Curá Formation, Middle Miocene (16.0 - 11.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Museo de La Plata and the Duke University in 1990-1993; reposited in the MLP

• During fieldwork, the outcrops were subdivided into northern (Duke University/MLP Fossil Localities RCH-018 and RCH-018N) and southern exposures (RCH-018S). The specimen of Patagosmilus comes from the latter.

Primary reference: A. M. Forasiepi and A. A. Carlini. 2010. A new thylacosmilid (Mammalia, Metatheria, Sparassodonta) from the Miocene of Patagonia, Argentina. Zootaxa 2552:55-68 [C. Jaramillo/J. Carrillo] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 142148: authorized by Carlos Jaramillo, entered by Juan Carrillo on 06.04.2013, edited by Jelle Zijlstra

Creative Commons license: CC BY (attribution)