Salado Sur, Lower Member of Agrio Fm., C. ornatum Subzone: Late/Upper Valanginian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Trigoniida
- Myophorellidae
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Steinmanella pehuenmapuensis
Leanza 1998
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10 specimens | ||||||
see common names |
Geography
Country: | Argentina | State/province: | Neuquen |
Coordinates: | 38.3° South, 70.3° West (view map) | ||
Paleocoordinates: | 37.3° South, 33.2° West | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
Stage: | Valanginian | 10 m.y. bin: | Cretaceous 1 |
Key time interval: | Late/Upper Valanginian | ||
Age range of interval: | 140.20000 - 136.40000 m.y. ago |
Stratigraphy
Lithology and environment
Primary lithology: | lithified "mixed carbonate-siliciclastic" |
Lithology description: Intercalated shales, sandstones and bioclastic limestones. Shoreface to offshore paleoenvironments on a storm-dominated, shallow marine ramp. | |
Environment: | shoreface |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Database number: | 50184 | ||
Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
Modifier: | S. Nurnberg | Research group: | marine invertebrate |
Created: | 2005-05-10 02:40:11 | Last modified: | 2005-05-10 05:40:11 |
Access level: | the public | Released: | 2005-05-10 02:40:10 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
13488. | D. G. Lazo. 2003. The genus Steinmanella (Bivalvia, Trigonioida) in the lower member of the Agrio Formation (Lower Cretaceous), Neuquen Basin, Argentina. Journal of Paleontology 77(6):1069-1085 [M. Aberhan/S. Nurnberg/S. Nurnberg] |