Where: Jujuy, Argentina (23.1° S, 65.6° W: paleocoordinates 25.9° S, 53.8° W)
• small collection-level geographic resolution
When: Mealla Formation (Santa Bárbara Group), Middle Paleocene to Middle Paleocene (61.7 - 55.8 Ma)
• Mealla Formation, 18 m above the contact with the Yacoraite Formation.
•Originally identified as Riochican SALMA, Woodburne et al. (2014) listed Simpsonotus as from the Itaboraian SALMA of early Eocene age, but also noted that "The Mealla and Maíz Gordo
•formations are likely of pre-Itaboraian early and middle Paleocene age"
•Marquillas et al. (2011: Cenozoic Geology of the Central Andes of Argentina, 227-246) show the Mealla Formation as Middle to Late Paleocene.
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: R. Pascual, M. G. Vucetich, and J. Fernandez. 1978. Los primeros mamiferos (notoungulata, henricosborniidae) de la Formacion Mealla (Grupo Salta, subgrupo Santa Barbara) : sus implicancias filogeneticas, taxonomicas y cronologicas. Ameghiniana 15:366-390 [R. Butler/R. Butler/R. Butler] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 175869: authorized by Richard Butler, entered by Richard Butler on 16.01.2016
Creative Commons license: CC BY (attribution)