Bajo Palangana: Riochican, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines
Chelonii indet. Latreille 1800
de Broin and de la Fuente 1993
synonym of Testudines
Chelidae similar to Canadon Hondo and Meiolaniidae similar to those from Campo del Sr Acosta?
Mammalia
Palangania brandmayri n. gen., n. sp. Goin et al. 1998
Holotype: UNPSJB PV-114
see common names

Geography
Country:Argentina State/province:Chubut County:Escalante
Coordinates: 45.5° South, 67.3° West (view map)
Paleocoordinates:48.1° South, 57.0° West
Basis of coordinate:stated in text
Geographic resolution:local area
Time
Period:Paleogene Epoch:Paleocene
Stage:Thanetian 10 m.y. bin:Cenozoic 1
Key time interval:Riochican Mammal zone: Riochian
Age range of interval:57.00000 - 55.80000 m.y. ago
Stratigraphy
Geological group:Río Chico Formation:Las Flores
Stratigraphic resolution:group of beds
Stratigraphy comments: Riochican South American Land Mammal Age; Originally described as from the Koluel-Kaike Formation, but now assigned to the upper Las Flores Formation by Vera and Krause (2020) - possibly same level and locality as main site
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:terrestrial indet.
Taphonomy
Modes of preservation:permineralized
Size of fossils:macrofossils,mesofossils
Disassociated minor elements:some
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Museum repositories:MLP
Collection method comments: Specimens deposited at MLP include those collected by Ing. José Brandmayr in 1930, by Juan A. Pisano in 1961, and by W.D. Turnbull and M. McKenna in 1979. Additional specimens are deposited in Padua, Italy (those collected by E. Feruglio in the 1930s) and at the Universidad Nacional de la Patagonia "San Juan Bosco" in Comodoro Rivadavia (those collected by by V. Escribano and M.S. April in the 1980s).
Metadata
Also known as:Bajo de la Palangana
Database number:52703
Authorizer:D. Croft, E. Vlachos Enterer:D. Croft, E. Vlachos
Modifier:M. Kouvari Research group:vertebrate
Created:2005-08-17 07:41:28 Last modified:2020-09-18 07:35:41
Access level:the public Released:2005-08-17 07:41:28
Creative Commons license:CC BY
Reference information

Primary reference:

14182. F. J. Goin, A. M. Candela, M. Bond, R. Pascual, and V. Escribano. 1998. Una nueva "comadreja" (Mammalia, Marsupialia, ?Polydolopimorphia) del Paleoceno de Patagonia, Argentina. in S. Casadía, ed., Paleógeno de América del Sur y de la Península Antártica 71-78 [D. Croft/D. Croft/D. Croft]

Secondary references:

42415 F. de Broin and M. de la Fuente. 1993. Les tortues fossiles d'Argentine: synthese [The fossil turtles of Argentina: synthesis]. Annales de Paléontologie (Invertebrés-Vertebrés) 79(3):169-232 [R. Benson/R. Benson/M. Carrano]
73732 B. Vera and J. M. Krause. 2020. New insights into the Kibenikhoria and Ernestokokenia faunas and the implications for the early Eocene of Patagonia, Argentina. Journal of Vertebrate Paleontology e1772801:1-21 [P. Mannion/P. Mannion]