West of Rifle, locality 41822: Bridgerian, Colorado
collected by D. Kohls
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Insecta
- Blattodea
- Ectobiidae
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Ectobius kohlsi
Vršanský et al. 2014
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Vršanský et al. 2014 | 1 specimen | ||||||||
| USNM 41822/53843 | ||||||||||
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Insecta
- Orthoptera
- Tetrigidae
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Eotetrix unicornis
Gorochov 2012
|
1 specimen | |||||||||
| USNM Kohls 54451 | ||||||||||
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Insecta
- Orthoptera
- Mogoplistidae
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Pteromogoplistes ? smithii
(Scudder 1890)
|
2 specimens | |||||||||
| USNM Kohls 54493/54494, 54907 | ||||||||||
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Insecta
- Orthoptera
- Gryllidae
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Eogryllus unicolor
Gorochov 2012
|
1 specimen | |||||||||
| USNM Kohls 54429 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Colorado |
| Coordinates: | 39.5° North, 108.0° West (view map) | ||
| Paleocoordinates: | 46.8° North, 85.1° West (Wright 2013) | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| 10 m.y. bin: | Cenozoic 2 | ||
| Key time interval: | Bridgerian | ||
| Age range of interval: | 50.5 - 46.2 m.y. ago |
Stratigraphy
| Formation: | Green River |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified lime mudstone | ||
| Environment: | lacustrine - large | Tectonic setting: | intermontane basin |
| Geology comments: Laramide-style block faulting | |||
Taphonomy
| Modes of preservation: | adpression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USNM |
| Collectors: | D. Kohls |
Metadata
| Database number: | 154004 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | paleoentomology |
| Created: | 2014-01-22 10:55:34 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2014-01-22 10:55:34 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 52087. | A. V. Gorochov and C. C. Labandeira. 2012. Eocene Orthoptera from Green River Formation of Wyoming (USA). Russian Entomological Journal 21:357-370 [M. Clapham/M. Clapham/M. Clapham] |
Secondary references:
| 49913 | P. Vršanský, R. Oruzinsky, P. Barna, L. Vidlička, and C. C. Labandeira. 2014. Native Ectobius (Blattaria: Ectobiidae) from the early Eocene Green River Formation of Colorado and its reintroduction to North America 49 million years later. Annals of the Entomological Society of America 107:28-36 [M. Clapham/M. Clapham/M. Clapham] |