Gran Barranca faunule 11: Bartonian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Polydolopidae
Polydolops thomasi Ameghino 1897
Mammalia - Notoungulata
Notopithecus adapinus Ameghino 1897
Antepithecus brachystephanus Ameghino 1901
Mammalia - Notoungulata - Oldfieldthomasiidae
Ultrapithecus rutilans Ameghino 1901
Oldfieldthomasia debilitata (Ameghino 1901)
Mammalia - Notoungulata - Notostylopidae
Notostylops murinus Ameghino 1897
Mammalia - Notoungulata - Isotemnidae
Pleurostylodon modicus Ameghino 1897
Thomashuxleya rostrata Ameghino 1901
see common names

Geography
Country:Argentina State/province:Chubut
Coordinates: 45.7° South, 68.7° West (view map)
Paleocoordinates:48.0° South, 59.3° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Paleogene Epoch: Eocene
Stage: Bartonian 10 m.y. bin: Cenozoic 3
Key time interval: Bartonian Mammal zone:  Barrancan
Age range of interval: 41.2 - 37.71 m.y. ago
Stratigraphy
Formation:Sarmiento Member:Gran Barranca
Stratigraphic resolution:bed
Stratigraphy comments: 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"
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:176185
Authorizer:J. Zijlstra Enterer:J. Zijlstra
Modifier:M. Kouvari Research group:vertebrate
Subset of collection #:13779
Created:2016-01-30 19:42:56 Last modified:2020-09-19 09:48:29
Access level:the public Released:2016-01-30 19:42:56
Creative Commons license:CC BY
Reference information

Primary reference:

57836. R. Cifelli. 1985. Biostratigraphy of the Casamayoran, Early Eocene of Patagonia. American Museum Novitates 2820:1-26 [J. Zijlstra/J. Zijlstra]