Where: Arequipa, Peru (15.5° S, 74.8° W: paleocoordinates 15.9° S, 72.7° W)
• coordinate stated in text
• local area-level geographic resolution
When: Pisco Formation, Tortonian (11.6 - 7.2 Ma)
• 7-8.8 Ma (Stucchi & Urbina, 2004), Huayquerian, ca. 8 Ma (Muizon & DeVries, 1985), between 7.3 and 7.46 (Ehret et al 2012).
•The Pisco Formation at Agua de Lomas has been dated to 8.0–7.0 Ma based on K-Ar dating [74, 75]. (Marx & Fordyce, 2015).
• bed-level stratigraphic resolution
Environment/lithology: foreshore; diatomaceous siltstone
Size class: macrofossils
Preservation: original phosphate
Primary reference: C. Muizon and T. J. DeVries. 1985. Geology and paleontology of late Cenozoic marine deposits in the Sacaco area (Peru). Geologische Rundschau 74(3):547-563 [M. Uhen/M. Uhen/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 45485: authorized by Mark Uhen, entered by Nick Pyenson on 25.10.2004, edited by Mark Uhen and Carlos Peredo
Creative Commons license: CC BY (attribution)