Republic (DMNH collection): Ypresian, Washington
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Insecta
- Hymenoptera
- Formicidae
|
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Formicidae indet.
(Latreille 1802)
|
2 specimens | |||||||||
| original and current combination Formicariae | ||||||||||
| DMNH-27804, 27805 | ||||||||||
| 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 | ||||
| Stratigraphy comments: "late Ypresian" | |||||
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: | mold/impression,adpression |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | DMNH |
Metadata
| Database number: | 192233 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | paleoentomology |
| Created: | 2018-03-17 10:59:13 | Last modified: | 2018-03-17 10:59:13 |
| Access level: | the public | Released: | 2018-03-17 10:59:13 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 65004. | S. B. Archibald, A. P. Rasnitsyn, D. J. Brothers and R. W. Mathewes. 2018. Modernisation of the Hymenoptera: ants, bees, wasps, and sawflies of the early Eocene Okanagan Highlands of western North America. The Canadian Entomologist 150:250-257 [M. Clapham/M. Clapham] |