Gateway to the Paleobiology Database
Cañadon del Tordillo (Miocene of Argentina)

Where: Neuquén, Argentina (40.4° S, 70.2° W: paleocoordinates 40.9° S, 66.1° W)

• coordinate stated in text

• local area-level geographic resolution

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

• Fossils are found just above or below Pilcaniyeu Ignimbritic member (Fig 3).

•Most of the fossils and all the primates occur in paleosols at the top of the ignimbrite member or just above it.

• member-level stratigraphic resolution

Environment/lithology: terrestrial; tuff

• flow tuff

Size classes: macrofossils, mesofossils

Collected in 1990-1991; reposited in the MLP

Collection methods: bulk, surface (in situ),

• In 1990 and 1991, a group from Museo de La Plata (MLP) and Duke University returned to Cañadón del Tordillo and made another, larger collection of fossil vertebrates.

Primary reference: M. G. Vucetich, M. M. Mazzoni, and U. F. J. Pardiñas. 1993. Los roedores de la Formación Collon Curá (Mioceno Medio), y la ignimbrita Pilcaniyeu. Cañadón del Tordillo, Neuquen. Ameghiniana 30(4):361-381 [C. Jaramillo/J. Carrillo] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 141175: authorized by Carlos Jaramillo, entered by Juan Carrillo on 21.03.2013

Creative Commons license: CC BY (attribution)