Republic, locality B9201: Ypresian, Washington
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Insecta
- Odonata
- Dysagrionidae
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Okanagrion dorrellae n. sp.
Archibald and Cannings 2021
|
1 specimen | |||||||||
| SR 93-11-02 (1 measurement) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Washington |
| Coordinates: | 48.7° North, 118.7° West (view map) | ||
| Paleocoordinates: | 54.4° North, 101.9° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| Key time interval: | Ypresian | ||
| Age range of interval: | 56 - 47.8 m.y. ago | ||
| Age estimate: | 49.43 ± 0.54 Ma (Ar/Ar) |
Stratigraphy
| Formation: | Klondike Mountain | Member: | Tom Thumb |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | planar lamination,brown lithified mudstone | ||
| Environment: | lacustrine - large | Tectonic setting: | rift |
| Geology comments: Basin developed in Republic graben | |||
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Repository: Stonerose Interpretive Center, Republic, Washington (SR). | |
Metadata
| Database number: | 218747 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | paleoentomology |
| Created: | 2021-02-26 23:33:32 | Last modified: | 2021-02-26 23:33:32 |
| Access level: | the public | Released: | 2021-02-26 23:33:32 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 75770. | S. B. Archibald, R. A. Cannings, R. J. Erickson, S. M. Bybee, and R. W. Mathewes. 2021. The Cephalozygoptera, a new, extinct suborder of Odonata with new taxa from the early Eocene Okanagan Highlands, western North America. Zootaxa 4934:1-133 [M. Clapham/M. Clapham] |