Rio Pichileufu: Estancia Don Hipolito: Middle Eocene, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia - Temnospondyli
Aranciaga Rolando et al. 2019
MLG 2630 - holotype
Angiospermae - Asterales - Asteraceae
unclassified
see common names

Geography
Country:Argentina State/province:Rio Negro
Coordinates: 41.2° South, 70.8° West (view map)
Paleocoordinates:41.9° South, 61.8° West (Wright 2013)
Time
Period: Paleogene Epoch: Eocene
10 m.y. bin: Cenozoic 2-3
Key time interval: Middle Eocene
Age range of interval: 48.07 - 37.71 m.y. ago
Age estimate: 47.46 ± 0.05 Ma (Ar/Ar)
Stratigraphy
Formation:Huitrera
Lithology and environment
Primary lithology:planar lamination,fine,tuffaceous muddy,sandy tuff
Lithology description: Aragon E, Romero EJ. 1984. Geologıa, paleoambientes y paleobotanica de yacimientos terciarios del occidente de Rıo Negro, Neuquen y Chubut. 98 Congreso Geologico Argentino 1: 475–507
Environment:fluvial-lacustrine indet.
Geology comments: Interpreted as deposited in an ancient
shallow lacustrine or swamp environment
Taphonomy
Modes of preservation:body,mold/impression,adpression,original phosphate,original carbon,original sporopollenin
Size of fossils:macrofossils,mesofossils,microfossils
Temporal resolution:time-averaged
Spatial resolution:parautochthonous
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:197785
Authorizer:P. Wilf, P. Mannion Enterer:E. Stiles, P. Mannion
Research group:paleobotany
Created:2018-11-26 15:44:34 Last modified:2025-02-22 15:12:02
Access level:the public Released:2018-11-26 15:44:34
Creative Commons license:CC0
Reference information

Primary reference:
67434. V. D. Barreda, L. Palazzesi, L. Katinas, J. V. Criscri, M. C. Telleria, K. Bremer, M. G. Passala, F. Bechis, and R. Corsolini. 2012. An extinct Eocene taxon of the daisy family (Asteraceae): evolutionary, ecological and biogeographical implications. Annals of Botany 109(1):127-134 [P. Wilf/E. Stiles]

Secondary references:

69209 M. Aranciaga Rolando, F. L. Agnolin, and J. Corsolini. 2019. A new pipoid frog (Anura, Pipimorpha) from the Paleogene of Patagonia. Paleobiogeographical implications. Comptes Rendus Palevol [P. Mannion/P. Mannion/M. Carrano]