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Rio Parana (Miocene of Argentina)

Where: Entre Rios, Argentina (27.1° S, 64.5° W: paleocoordinates 27.3° S, 62.2° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Mesopotamico Member (Entre Rios Formation), Tortonian (11.6 - 7.2 Ma)

• Vertebrate fossils come from the lower part of the Entre Rios Formation, a complex succession of continental and marine sediments, called the Mesopotamico level.

• member-level stratigraphic resolution

Environment/lithology: marginal marine; lithology not reported

• Alternating regression/transgression during emplacement of Pampeanas block
• No clear lithostratigraphic units have been determined, fossils come from sedimentary complex with marine and continental components.

Size class: macrofossils

Collection methods: Cheek teeth fragments preserved

Primary reference: P. Bondesio. 1975. Restos de un Protohydrochoerinae (Rodentia, Hidrochoeridae) en el "Mesopotamiense" Plioceno Medio-Tardio) de las Barrancas del rio Parana (Provincia de Entre Rios, Argentina). Ameghiniana 12(3):253-258 [J. Alroy/J. Wertheim/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 13522: authorized by John Alroy, entered by Jill Wertheim on 11.04.2002, edited by Mark Uhen and Carlos Jaramillo

Creative Commons license: CC BY (attribution)