north of Juntas del Tolar, Atacama: Late/Upper Sinemurian, Chile
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Pholadomyida
- Pholadomyidae
|
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|
Pholadomya (Pholadomya) idea
(d'Orbigny 1850)
|
3 individuals | ||||||
|
Homomya neuquena
Leanza 1942
|
1 individual | ||||||
| see common names | |||||||
Geography
| Country: | Chile |
| Coordinates: | 28.4° South, 70.0° West (view map) |
| Paleocoordinates: | 30.8° South, 31.6° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Sinemurian | 10 m.y. bin: | Jurassic 1 |
| Key time interval: | Late/Upper Sinemurian | ||
| Age range of interval: | 199.50000 - 192.90000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | not reported | ||
| Environment: | open shallow subtidal | Tectonic setting: | back-arc basin |
Taphonomy
| Modes of preservation: | body,mold/impression,original calcite,replaced with silica |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | mechanical,acetic,field collection |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:anomalodesmatans only | |
Metadata
| Database number: | 95432 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2010-04-16 00:39:54 | Last modified: | 2010-04-20 02:33:38 |
| Access level: | the public | Released: | 2010-04-16 00:39:54 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 32394. | M. Aberhan. 2004. Early Jurassic Bivalvia of northern Chile. Part II. Subclass Anomalodesmata. Beringeria 34:117-154 [M. Aberhan/S. Nurnberg/S. Nurnberg] |