Denson site, locality 41220: Uintan, Colorado
collected by D. Kohls 1996
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Insecta
- Orthoptera
- Tetrigidae
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Eotetrix unicornis
Gorochov 2012
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Gorochov and Labandeira 2012 | 1 specimen | ||||||||
| USNM Kohls 50466 | ||||||||||
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Insecta
- Orthoptera
- Eumastacidae
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Eoerianthus eocaenicus
Gorochov 2012
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Gorochov and Labandeira 2012 | 3 specimens | ||||||||
| USNM Kohls 50476, 50457, 50484 | ||||||||||
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Insecta
- Orthoptera
- Phalangopsidae
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Eozacla arachnomorpha
Gorochov 2012
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Gorochov and Labandeira 2012 | 1 specimen | ||||||||
| USNM Kohls 50450-AB | ||||||||||
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Insecta
- Orthoptera
- Trigonidiidae
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Trigonidiinae indet.
Saussure 1874
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Gorochov and Labandeira 2012 | 1 specimen | ||||||||
| USNM Kohls 50454 | ||||||||||
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Insecta
- Orthoptera
- Mogoplistidae
|
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Pteromogoplistes ? smithii
(Scudder 1890)
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Gorochov and Labandeira 2012 | 1 specimen | ||||||||
| USNM Kohls 50460 | ||||||||||
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Insecta
- Orthoptera
- Gryllidae
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Gryllinae indet.
Laicharting 1781
|
Gorochov and Labandeira 2012 | 2 specimens | ||||||||
| USNM Kohls 50485-AB, 50482-AB | ||||||||||
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Eogryllus unicolor
Gorochov 2012
|
Gorochov and Labandeira 2012 | 2 specimens | ||||||||
| USNM Kohls 50479, 50483 | ||||||||||
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Insecta
- Hymenoptera
- Formicidae
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Archimyrmex rostratus
Cockerell 1923
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1 specimen | |||||||||
| USNM 495989 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Colorado |
| Coordinates: | 39.5° North, 108.0° West (view map) | ||
| Paleocoordinates: | 46.4° North, 88.0° West (Wright 2013) | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| 10 m.y. bin: | Cenozoic 2-3 | ||
| Key time interval: | Uintan | ||
| Age range of interval: | 46.2 - 39.7 m.y. ago |
Stratigraphy
| Formation: | Green River | Member: | Parachute Creek |
| 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 | Collection dates: | 1996 |
Metadata
| Database number: | 138683 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | paleoentomology |
| Created: | 2013-01-25 12:28:55 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2013-01-25 12:28:55 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 44418. | G. M. Dlussky and A. P. Rasnitsyn. 2002. Ants (Hymenoptera: Formicidae) of Formation Green River and some other middle Eocene deposits of North America. Russian Entomological Journal 11:411-436 [M. Clapham/M. Clapham] |
Secondary references:
| 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] |