GSC loc. 89344: Bajocian, California
collected by T. P. Poulton 1972
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Trigoniida
- Myophorellidae
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Orthotrigonia ? sp.
(Cox 1952)
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original and current combination Myophorella (Orthotrigonia) | ||||||||||
identified questionably | ||||||||||
see common names |
Geography
Country: | United States | State/province: | California | County: | Shasta |
Coordinates: | 41.0° North, 122.0° West (view map) | ||||
Paleocoordinates: | 34.6° North, 61.3° West | ||||
Basis of coordinate: | based on nearby landmark |
Time
Period: | Jurassic | Epoch: | Middle Jurassic |
Stage: | Bajocian | 10 m.y. bin: | Jurassic 4 |
Key time interval: | Bajocian | ||
Age range of interval: | 170.90000 - 168.20000 m.y. ago |
Stratigraphy
Formation: | Potem | ||||
Stratigraphy comments: Probably Middle Bajocian |
Lithology and environment
Primary lithology: | sandstone |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body,cast,mold/impression |
Size of fossils: | macrofossils,mesofossils,microfossils |
Collection methods and comments
Reason for describing collection: | taxonomic analysis | ||
Collectors: | T. P. Poulton | Collection dates: | 1972 |
Metadata
Database number: | 139220 | ||
Authorizer: | G. Stanley | Enterer: | H. Shepherd |
Created: | 2013-02-09 10:40:10 | Last modified: | 2013-02-08 17:40:10 |
Access level: | the public | Released: | 2013-02-09 10:40:10 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
40842. | T. P. Poulton. 1979. Jurassic Trigoniid Bivalves from Canada and Western United States of America. Geological Survey of Canada Bulletin 282 [G. Stanley/H. Shepherd/H. Shepherd] |