Gateway to the Paleobiology Database
Killik Aike Norte (Miocene of Argentina)

Also known as Estancia Felton

Where: Santa Cruz, Argentina (51.6° S, 69.5° W: paleocoordinates 52.2° S, 63.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Estancia La Costa Member (Santa Cruz Formation), Santacrucian (17.5 - 16.3 Ma)

• the fossiliferous tuff yielded 40Ar/39Ar ages of 16.45 +/- 0.14, 16.5 +/- 0.2, and 16.5 +/- 0.3 Ma based on "laser incremental-heating analyses of plagioclase"

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; tuff

• vitric [volcanic] tuff

Size class: macrofossils

Collection methods: specimen is in the Museo Regional Provincial "Padre Manuel Jesús Molina" Padre Molina, Vertebrate Paleontology Collection

Primary reference: M. F. Tejedor, A. A. Tauber, A. L. Rosenberger, C. C. Swisher, III, and M. E. Palacios. 2006. New primate genus from the Miocene of Argentina. Proceedings of the National Academy of Sciences 103:5437-5441 [J. Alroy/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87314: authorized by John Alroy, entered by John Alroy on 14.03.2009, edited by Jelle Zijlstra

Creative Commons license: CC BY (attribution)