Ute Trail, Roan Plateau (station 1): Bridgerian, Colorado
collected by T.D.A. Cockerell, J. Byram, Mrs. Cockerell 1922
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Insecta
- Hymenoptera
- Formicidae
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Archimyrmex rostratus n. gen., n. sp.
Cockerell 1923
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1 specimen | |||||||||
UCM 15174/USNM 69617 (1 measurement) | ||||||||||
Insecta
- Diptera
- Syrphidae
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Syrphus eocenicus n. sp.
Cockerell 1925
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Cockerell 1925 | 1 specimen | ||||||||
USNM 69179 (1 measurement) | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Colorado |
Coordinates: | 39.6° North, 108.2° West (view map) | ||
Paleocoordinates: | 43.4° North, 94.6° West | ||
Basis of coordinate: | estimated from map | ||
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 |
Lithology and environment
Primary lithology: | diatomite | ||
Environment: | lacustrine - large | Tectonic setting: | intermontane basin |
Taphonomy
Modes of preservation: | mold/impression |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | UCM,USNM | ||
Collectors: | T.D.A. Cockerell, J. Byram, Mrs. Cockerell | Collection dates: | July 1922 |
Metadata
Database number: | 114007 | ||
Authorizer: | M. Clapham | Enterer: | J. Karr, M. Clapham |
Modifier: | M. Clapham | Research group: | paleoentomology |
Created: | 2011-08-08 13:17:46 | Last modified: | 2014-08-06 21:00:13 |
Access level: | the public | Released: | 2011-08-08 13:17:46 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
44405. | T. D. A. Cockerell. 1923. The earliest known ponerine ant. The Entomologist 56:51-52 [M. Clapham/M. Clapham] |
Secondary references:
5050 | ETE 762 | T. D. A. Cockerell. 1925. Fossil insects in the United States National Museum. Proceedings of the United States National Museum 64(13):1-15 [C. Labandeira/C. Labandeira/M. Clapham] |