Grünbein Cantera Seminario: Huayquerian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Notoungulata
Tremacyllus impressus (Ameghino 1888)
craniodental material
craniodental material
Mammalia - Rodentia - Chinchillidae
Lagostomus sp. Brookes 1828
craniodental material
Mammalia - Rodentia - Ctenomyidae
Xenodontomys ellipticus Kraglievich 1927
craniodental material
Mammalia - Rodentia - Octodontidae
craniodental material
Mammalia - Rodentia - Caviidae
Dolicavia sp. Ameghino 1916
craniodental material
Deschamps and Tomassini 2016
Neocavia sp. Kraglievich 1932
craniodental material
craniodental material
Mammalia - Cingulata - Dasypodidae
Chorobates sp. Reig 1958
isolated osteoderms
isolated osteoderms
isolated osteoderms
see common names

Geography
Country:Argentina State/province:Buenos Aires
Coordinates: 38.7° South, 62.2° West (view map)
Paleocoordinates:38.5° South, 60.6° West (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Neogene
10 m.y. bin: Cenozoic 6
Key time interval: Huayquerian
Age range of interval: 8 - 5 m.y. ago
Stratigraphy
Formation:Cerro Azul
Stratigraphy comments: a late Huayquerian SALMA age is proposed

Bearing unit: Cerro Azul Formation (sensu Folguera and Zárate, 2009). The section is 11 m thick and was divided into five levels. Fossils were found in the upper part of level 2, below the calcrete crust.
Lithology and environment
Primary lithology:bioturbation,red or brown unlithified siltstone
Includes fossils?Y
Environment:terrestrial indet.
Geology comments: silty-loessic sediments of the "Pampean Sediments"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Disassociated major elements:some
Disassociated minor elements:some
Collection methods and comments
Collection methods:bulk,selective quarrying,surface (float),surface (in situ),field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: Cátedra de Geología Histórica from the Universidad Nacional del Sur, Bahía Blanca
Metadata
Database number:61292
Authorizer:D. Croft, P. Mannion Enterer:D. Croft, M. Kouvari
Modifier:M. Kouvari Research group:vertebrate
Created:2006-06-04 15:39:52 Last modified:2025-02-22 15:12:02
Access level:the public Released:2006-06-04 15:39:52
Creative Commons license:CC0
Reference information

Primary reference:
17632. C. M. Deschamps. 2005. Late Cenozoic mammal bio-chronostratigraphy in southwestern Buenos Aires Province, Argentina. Ameghiniana 42(4):733-750 [D. Croft/D. Croft]

Secondary references:

67741 C. M. Deschamps and R. L. Tomassini. 2016. Late Cenozoic vertebrates from the Southern Pampean region: systematic and bio-chronostratigraphic update. In M. Martínez, D. Olivera (eds.), Palinología del Meso-Cenozoico de Argentina - Volumen en homenaje a Mirta Elena Quattrocchio 16(2):202-225 [P. Mannion/M. Kouvari]