Salado River, General Belgrano: Late/Upper Pleistocene, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Insecta - Coleoptera - Tenebrionidae
Epipedonota cristallisata Waterhouse 1844
1 specimen
MHM-PI 32
Nyctelia picipes (Billberg 1815)
1 specimen
MHM-PI 31
Scotobius pilularius Germar 1824
1 specimen
MHM-PI 33
Mammalia - Proboscidea - Gomphotheriidae
Notiomastodon platensis (Ameghino 1888)
Mothé et al. 2017
MLP-40-III-29-2
see common names

Geography
Country:Argentina State/province:Buenos Aires
Coordinates: 35.7° South, 58.5° West (view map)
Paleocoordinates:35.7° South, 58.5° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Quaternary Epoch:Pleistocene
Stage:Late/Upper Pleistocene 10 m.y. bin:Cenozoic 6
Key time interval:Late/Upper Pleistocene
Age range of interval:0.12900 - 0.01170 m.y. ago
Stratigraphy
Formation:Luján Member:Guerrero
Stratigraphic resolution:bed
Stratigraphy comments: The age of the sediments containing fossil insects ranges between 12,100 ± 100 14C BP and 13,400 ± 200 14C BP and was obtained by radiocarbon analysis of bone collagen and molluscan shells.
Lithology and environment
Primary lithology:brown,green unlithified sandy claystone
Lithology description: Greenish brown sandy clays, exhibiting abundant organic matter, gypsum, and carbonate concretions
Environment:pond Tectonic setting:non-subsiding area
Geology comments: Small paleopond environment that was filled by fluvial sediments
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: Museo Histórico Municipal "Alfredo Enrique Mulgura" of General Belgrano City (MHM)
Metadata
Database number:125395
Authorizer:J. Jepson, P. Mannion, M. Clapham Enterer:J. Jepson, M. Clapham, M. Kouvari
Modifier:M. Clapham Research group:paleoentomology
Created:2012-03-09 03:38:52 Last modified:2017-05-23 16:34:15
Access level:the public Released:2012-03-09 03:38:52
Creative Commons license:CC BY
Reference information

Primary reference:

61301. L. C. Ramírez, R. Carrara, V. A. Silvestro and G. E. Flores. 2016. First fossil assemblage of darkling beetles (Coleoptera: Tenebrionidae) from Buenos Aires, Argentina: evidence of dry climate during the Late Pleistocene in the humid Pampas. Annales Zoologici 66:643-652 [M. Clapham/M. Clapham/M. Clapham]

Secondary references:

73598 D. Mothé, L. dos Santos Avilla, L. Asevedo, L. Borges-Silva, M. Rosas, R. Labarca-Encina, R. Souberlich, E. Soibelzon, J. L. Roman-Carrion, S. D. Ríos, A. D. Rincon, G. Cardoso Oliveira, and R. P. Lopes. 2017. Sixty years after ‘The mastodonts of Brazil’: The state of the art of South American proboscideans (Proboscidea, Gomphotheriidae). Quaternary International 443:52-64 [P. Mannion/M. Kouvari]