USGS Mesozoic Loc. 17297 - Twin Creek Limestone: Late/Upper Bajocian, Wyoming
collected by W. W. Rubey 1936
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Crinoidea
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Crinoidea indet.
Miller 1821
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| columnals | ||||||||||
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Bivalvia
- Thraciida
- Thraciidae
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Thracia weedi
Stanton 1899
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Bivalvia
- Cardiida
- Anthracosiidae
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Pleuromya subcompressa
(Meek 1873)
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| original and current combination Myacites (Pleuromya) subcompressa | ||||||||||
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Bivalvia
- Cardiida
- Arcticidae
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Pronoella sp.
Fischer 1887
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Bivalvia
- Cardiida
- Quenstedtiidae
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Quenstedtia sublevis
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Bivalvia
- Carditida
- Astartidae
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Astarte (Coelastarte) livingstonensis
Imlay 1964
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Prorokia fontenellensis
Imlay 1967
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Bivalvia
- Trigoniida
- Myophorellidae
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Vaugonia conradi
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Bivalvia
- Mytilida
- Mytilidae
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Modiolus subimbricatus
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Bivalvia
- Pectinida
- Pectinidae
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Camptonectes platessiformis
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Bivalvia
- Ostreida
- Pinnidae
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Pinna kingi
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Bivalvia
- Ostreida
- Gryphaeidae
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Gryphaea cf. planoconvexa
Whitfield 1876
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Sublette |
| Coordinates: | 42.5° North, 110.5° West (view map) | ||||
| Paleocoordinates: | 34.0° North, 50.4° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Bajocian | 10 m.y. bin: | Jurassic 4 |
| Key time interval: | Late/Upper Bajocian | ||
| Age range of interval: | 168.60000 - 168.20000 m.y. ago |
Stratigraphy
| Formation: | Twin Creek Limestone | Member: | Rich | ||
| Stratigraphy comments: 118 ft above base of member. |
Lithology and environment
| Primary lithology: | "limestone" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | W. W. Rubey | Collection dates: | 1936 |
Metadata
| Database number: | 167169 | ||
| Authorizer: | S. Holland | Enterer: | P. Monarrez |
| Created: | 2015-03-08 14:02:23 | Last modified: | 2015-03-08 14:02:23 |
| Access level: | the public | Released: | 2015-03-08 14:02:23 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 54548. | R. W. Imlay. 1967. Twin Creek Limestone (Jurassic) in the Western Interior of the United States. United States Geological Survey Professional Paper 540:1-105 [S. Holland/P. Monarrez] |