Where: Chubut, Argentina (45.7° S, 68.7° W: paleocoordinates 48.0° S, 59.3° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Barrancan mammal zone, Gran Barranca Member (Sarmiento Formation), Bartonian (41.3 - 38.0 Ma)
• Barrancan SALMA, Middle Eocene (Woodburne et al. 2014).
•
•Low in Gran Barranca section II of Cifelli (1985), in a "wht. tuff"
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Primary reference: R. Cifelli. 1985. Biostratigraphy of the Casamayoran, Early Eocene of Patagonia. American Museum Novitates 2820:1-26 [J. Zijlstra/J. Zijlstra]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 176180: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 30.01.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Didolodus multicuspis Ameghino 1897 placental | |
Ultrapithecus rutilans Ameghino 1901 notoungulate
Oldfieldthomasia debilitata Ameghino 1901 notoungulate | |
Notostylops murinus Ameghino 1897 notoungulate | |
Pleurostylodon modicus Ameghino 1897 notoungulate | |
Eohyrax isotemnoides Ameghino 1904 notoungulate | |
Henricosbornia ? lophodonta Ameghino 1901 notoungulate | |
Notopithecus indet. Ameghino 1897 notoungulate
Antepithecus brachystephanus Ameghino 1901 notoungulate |