El Salado Sur SO9, Agrio Formation, Neuquén Basin, Neuquén: Early Hauterivian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Pholadomyida - Pholadomyidae
Pholadomya sp. Sowerby 1823
Bivalvia - Arcida - Cucullaeidae
Cucullaea sp. Lamarck 1801
Bivalvia - Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758
see common names

Geography
Country:Argentina
Coordinates: 38.2° South, 70.1° West (view map)
Paleocoordinates:37.7° South, 33.9° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Hauterivian 10 m.y. bin: Cretaceous 2
Key time interval: Early Hauterivian
Age range of interval: 132.6 - 125.77 m.y. ago
Stratigraphy
Formation:Agrio Member:Lower
Local section:El Salado Sur Local bed:SO9
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Holcoptychites neuquensis zone, Olcostephanus (O.) laticosta subzone; overlying beds are Hoplitocrioceras giovinei subzone (SH-beds)
Lithology and environment
Primary lithology: lithified siltstone
Lithology description: calcareous siltstone, with oyster debris; 0.4 m
Environment:transition zone/lower shoreface
Geology comments: shoreface to offshore paleoenvironments on a storm-dominated, shallow marine ramp
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:61712
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2006-06-23 03:40:30 Last modified:2006-06-23 06:40:30
Access level:the public Released:2006-06-23 03:40:28
Creative Commons license:CC BY
Reference information

Primary reference:
17762. M. B. Aguirre-Urreta and P. F. Rawson. 2001. Lower Cretaceous ammonites from the Neuquén Basin, Argentina: a Hauterivian Olcostephanus fauna. Cretaceous Research 22(6):763-778 [W. Kiessling/U. Merkel]