Quebrada Noria, Atacama: Late/Upper Sinemurian, Chile
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Ostreida
- Gryphaeidae
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Gryphaea (Bilobissa) tricarinata
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11 individuals | ||||||
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Bivalvia
- Pholadomyida
- Pholadomyidae
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Pholadomya (Pholadomya) corrugata
(Koch and Dunker 1837)
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Aberhan 2004 | 2 individuals | |||||
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Homomya neuquena
Leanza 1942
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Aberhan 2004 | 1 individual | |||||
| see common names | |||||||
Geography
| Country: | Chile |
| Coordinates: | 27.4° South, 69.8° West (view map) |
| Paleocoordinates: | 29.8° South, 31.8° 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:bivalves only | |
Metadata
| Database number: | 95424 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2010-04-15 23:51:19 | Last modified: | 2010-04-19 16:54:54 |
| Access level: | the public | Released: | 2010-04-15 23:51:19 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 32459. | M. Aberhan. 1994. Early Jurassic Bivalvia of northern Chile. Part I. Subclasses Palaeotaxodonta, Pteriomorphia, and Isofilibranchia. Beringeria 13:3-115 [M. Aberhan/S. Nurnberg] |
Secondary references:
| 32394 | M. Aberhan. 2004. Early Jurassic Bivalvia of northern Chile. Part II. Subclass Anomalodesmata. Beringeria 34:117-154 [M. Aberhan/S. Nurnberg/S. Nurnberg] |