USGS Mesozoic loc. 1013, 2570: Bajocian, California
collected by J. Storrs and T.W. Stanton 1893, 1902
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Trigoniida
- Myophorellidae
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Vaugonia ? yukonensis
Poulton 1979
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| Paratype USNM 219899 from USGS 2570 | ||||||||||
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Vaugonia cf. kobayashii
Alencaster 1963
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| Hypotype USNM 219917, 219918 from USGS 1013 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California |
| Coordinates: | 40.8° North, 122.0° West (view map) | ||
| Paleocoordinates: | 31.9° North, 62.6° 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 Bajocian / Middle Bajocian |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,cast,mold/impression |
| Size of fossils: | macrofossils,mesofossils,microfossils |
Collection methods and comments
| Collection methods: | survey of museum collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | J. Storrs and T.W. Stanton | Collection dates: | 1893, 1902 |
Metadata
| Database number: | 139296 | ||
| Authorizer: | G. Stanley | Enterer: | H. Shepherd |
| Modifier: | H. Shepherd | ||
| Created: | 2013-02-10 14:29:11 | Last modified: | 2013-02-11 12:53:40 |
| Access level: | the public | Released: | 2013-02-10 14:29:11 |
| 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] |