Bighorn Mountains, Gros Ventre Fm.: Merioneth, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Lingulata
- Acrotretida
- Acrotretidae
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Prototreta sp.
Bell 1941
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Angulotreta sp.
Palmer 1954
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Trilobita
- Ptychopariida
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Ptychopariida indet.
Swinnerton 1915
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Trilobita
- Ptychopariida
- Menomoniidae
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Bolaspidella sp.
Resser 1937
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Trilobita
- Ptychopariida
- Alokistocaridae
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Alokistocare sp.
Lorenz 1906
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Trilobita
- Ptychopariida
- Bolaspididae
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Rawlinsella sp.
Shaw 1956
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Wyoming |
| Coordinates: | 44.5° North, 107.3° West (view map) | ||
| Paleocoordinates: | 9.3° South, 82.5° West | ||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Cambrian | Epoch: | Furongian |
| 10 m.y. bin: | Cambrian 5 | ||
| *Period: | Late/Upper Cambrian | ||
| Key time interval: | Merioneth | Zone: | Bolaspidella |
| Age range of interval: | 497 - 485.4 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Gros Ventre | ||||
| Stratigraphy comments: "lower Belaspidella zone" |
Lithology and environment
| Primary lithology: | green sandstone |
| Secondary lithology: | "shale" |
| Environment: | marine indet. |
| Geology comments: "green sh and thin-bedded ss. nearshore (BA2)" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Taxonomic list comments:"V.E.Kurtz, 1976. Biostrat. of the Camb. and lowest Ord., Bighorn Mtns. and assoc. uplifts in WY and MT. BYU Geol. Studies 23 (2):215-227." [trilobites and brachs] | |
Metadata
| Database number: | 219 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | J. Ju | Research group: | marine invertebrate |
| Created: | 1998-11-20 10:07:18 | Last modified: | 2017-01-07 22:38:56 |
| Access level: | the public | Released: | 1998-11-20 10:07:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 61182. | V. E. Kurtz. 1976. Biostratigraphy of the Cambrian and Lowest Ordovician, Bighorn Mountains and Associated Uplifts in Wyoming and Montana. Brigham Young University Geology Studies 23(2):215-227 [M. Uhen/J. Ju/M. Uhen] |