Río Desaguadero, Ulloma, Oruro: Pleistocene, Bolivia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Mylodontidae
Marshall and Salinas Z 1991
Mammalia - Megatheriidae
Megatherium sundti n. sp. Philippi 1893
holotype plus 11 specimens
Marshall and Salinas Z 1991
Mammalia - Cingulata - Glyptodontidae
Glyptodon sp. Owen 1839
Marshall and Salinas Z 1991
Mammalia - Proboscidea - Gomphotheriidae
Cuvieronius hyodon (Fischer 1814)
Marshall and Salinas Z 1991
many
Alroy 2007
Mammalia - Panameriungulata - Macraucheniidae
Marshall and Salinas Z 1991
Mammalia - Perissodactyla - Equidae
Onohippidium bolivianum n. sp. Philippi 1893
Marshall and Salinas Z 1991
many
see common names

Geography
Country:Bolivia State/province:Oruro
Coordinates: 17.4° South, 68.5° West (view map)
Paleocoordinates:17.4° South, 68.3° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period: Quaternary Epoch: Pleistocene
10 m.y. bin: Cenozoic 6
Key time interval: Pleistocene
Age range of interval: 2.58 - 0.0117 m.y. ago
Stratigraphy
Formation:Ulloma
Stratigraphy comments: Fossils are from the base of the Ulloma Formation. Lujanian SALMA, possibly early Lujanian.
Lithology and environment
Primary lithology:fine calcareous sandstone
Lithology description: Ulloma Formation consists of well stratified fine grained sands rich in calcareous nodules, bounded below by an undated tuff and above by a diatomite. The Ulloma Formation was deposited as part of Lake Ballivian, which was a southern extension of Lake Titicaca, during retreat of the Sorata glaciation.
Environment:lacustrine - large
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Disassociated major elements:some
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:SGOPV
Collection method comments: Additional repository: Museum of Evolution, Uppsala University, Sweden (PIU)
Metadata
Database number:63761
Authorizer:D. Croft, J. Alroy Enterer:D. Croft, J. Alroy
Modifier:M. Kouvari Research group:vertebrate
Created:2006-08-20 11:44:35 Last modified:2025-02-22 15:12:02
Access level:the public Released:2006-08-20 11:44:35
Creative Commons license:CC0
Reference information

Primary reference:
18295. G. de Iuliis. 2006. On the taxonomic status of Megatherium sundti Philippi, 1893 (Mammalia: Xenarthra: Megatheriidae). Ameghiniana 43(1):161-169 [D. Croft/D. Croft]

Secondary references:

19636 J. Alroy. 2007. Synonymies and reidentifications of North American fossil vertebrates and so forth. [J. Alroy/J. Alroy]
18324 L. G. Marshall and P. Salinas Z. 1991. The Lorenzo Sundt collection of Pleistocene mammals from Ulloma, Bolivia in the Museo Nacional de Historia Natural, Santiago, Chile. Fósiles y Facies de Bolivia - Vol. I Vertebrados 12(3-4):685-692 [D. Croft/D. Croft]