Where: Buenos Aires, Argentina (38.0° S, 61.0° W: paleocoordinates 38.1° S, 59.6° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Monte Hermoso Formation, Montehermosan (6.8 - 4.0 Ma)
• Marine cliffs
•
•Quattrocchio et al. 2009: Monte Hermoso, the red earth cliffs near Punta Alta
• member-level stratigraphic resolution
Environment/lithology: terrestrial; siltstone
Size classes: macrofossils, mesofossils
Collected by Darwin and others in 1833 and others
• Type: left-lower premolar-molar
•Paratype: Fragment of left mandible with incisor alveolus
Primary reference: R. Pascual and P. Bondesio. 1961. Un nuevo Cardiatheriinae (Rodentia, Hydrochoeridae) de la Formacion Monte Hermoso (Pliocene Superior) de la Provincia de Buenos Aires. Algunas consideraciones sobre la evolucion morfolofica de los Molariformes de los Cardiatheriinae. Ameghiniana 2(6):93-109 [J. Alroy/J. Wertheim/M. Uhen] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 13503: authorized by John Alroy, entered by Jill Wertheim on 09.04.2002, edited by Mark Uhen, Juan Carrillo, Richard Hulbert, Jelle Zijlstra, Evangelos Vlachos and Miranta Kouvari
Creative Commons license: CC BY (attribution)