USGS Mesozoic loc. 19357: Bajocian, Wyoming
collected by J.B. Reeseide, Jr. and D. Love 1944
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Trigoniida
- Myophorellidae
|
||||||||||
| Holotype USNM 219869, Paratypes USNM 219868, 219870, 219871 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming |
| Coordinates: | 42.9° North, 108.9° West (view map) | ||
| Paleocoordinates: | 33.7° North, 37.9° West (Wright 2013) |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Bajocian | 10 m.y. bin: | Jurassic 4 |
| Key time interval: | Bajocian | ||
| Age range of interval: | 170.9 - 168.2 m.y. ago |
Stratigraphy
| Formation: | Gypsum Spring | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Probably Bajocian | |||||
Lithology and environment
| Primary lithology: | red "shale" |
| Secondary lithology: | dolomite |
| Lithology description: Interbedded red shale, dolomite, and gypsum | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | J.B. Reeseide, Jr. and D. Love | Collection dates: | 1944 |
Metadata
| Database number: | 139492 | ||
| Authorizer: | G. Stanley | Enterer: | H. Shepherd |
| Modifier: | M. Carrano | ||
| Created: | 2013-02-12 10:54:35 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2013-02-12 10:54:35 |
| Creative Commons license: | CC0 |
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] |