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).
•
•In upper half of Gran Barranca section III of Cifelli (1985), in "gry. impure tuff with Mn spots near bottom, many bones"
• 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 176185: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 30.01.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Oldfieldthomasia debilitata Ameghino 1901 notoungulate
Ultrapithecus rutilans Ameghino 1901 notoungulate | |
Pleurostylodon modicus Ameghino 1897 notoungulate
Thomashuxleya rostrata Ameghino 1901 notoungulate | |
Antepithecus brachystephanus Ameghino 1901 notoungulate
Notopithecus adapinus Ameghino 1897 notoungulate | |
Notostylops murinus Ameghino 1897 notoungulate | |
Polydolops thomasi Ameghino 1897 metatherian |