Disbrow Creek, Middle Fork Flathead River (Kishenehn): Lutetian, Montana
collected by Dale Greenwalt
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Insecta
- Odonata
- Eolestidae
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Eolestes ramosus n. sp.
Greenwalt and Bechly 2014
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Greenwalt and Bechly 2014 | 1 specimen | ||||||||
USNM 559047 (1 measurement) | ||||||||||
Insecta
- Odonata
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Lutetialestes uniformis n. gen., n. sp.
Greenwalt and Bechly 2014
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Greenwalt and Bechly 2014 | 1 specimen | ||||||||
USNM 559048 | ||||||||||
Insecta
- Diptera
- Psychodidae
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Bruchomyiinae indet.
Alexander 1920
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Greenwalt et al. 2019 | 1 specimen | ||||||||
USNM 619952 | ||||||||||
Insecta
- Diptera
- Canthyloscelidae
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Synneuron eomontana n. sp.
Amorim and Greenwalt 2020
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Amorim and Greenwalt 2020 | 1 specimen | ||||||||
USNM 722159 (1 measurement) | ||||||||||
Insecta
- Diptera
- Bolitophilidae
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Bolitophila warreni n. sp.
Greenwalt and Blagoderov 2019
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Greenwalt and Blagoderov 2019 | 1 specimen | ||||||||
USNM 595138 (2 measurements) | ||||||||||
Insecta
- Diptera
- Dixidae
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Dixella curvistyla n. sp.
Greenwalt and Moulton 2016
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Greenwalt and Moulton 2016 | 1 specimen | ||||||||
USNM 546860 (2 measurements) | ||||||||||
Insecta
- Diptera
- Culicidae
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Culiseta kishenehn
Harbach and Greenwalt 2012
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1 specimen | |||||||||
USNM 546534 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Montana |
Coordinates: | 48.4° North, 113.7° West (view map) | ||
Paleocoordinates: | 51.9° North, 100.3° West | ||
Basis of coordinate: | stated in text | ||
Geographic resolution: | outcrop |
Time
Period: | Paleogene | Epoch: | Eocene |
Stage: | Lutetian | 10 m.y. bin: | Cenozoic 2 |
Key time interval: | Lutetian | ||
Age range of interval: | 47.80000 - 41.30000 m.y. ago |
Stratigraphy
Formation: | Kishenehn | Member: | Coal Creek | ||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: Middle sequence of the Coal Creek member of the Kishenehn Formation, which has been estimated to be 46.2 +/- 0.4 myo (Lutetian) by 40Ar/39Ar analysis and 43.5 +/- 4.9 myo by fission-track analysis |
Lithology and environment
Primary lithology: | planar lamination lithified carbonaceous "shale" | ||
Lithology description: Paper/oil shale | |||
Environment: | lacustrine - large | Tectonic setting: | rift |
Taphonomy
Modes of preservation: | adpression |
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Collection methods: | mechanical,field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | USNM |
Collectors: | Dale Greenwalt |
Metadata
Database number: | 135665 | ||
Authorizer: | M. Clapham | Enterer: | M. Clapham |
Modifier: | M. Clapham | Research group: | paleoentomology |
Created: | 2012-11-01 12:19:01 | Last modified: | 2019-08-31 19:24:02 |
Access level: | the public | Released: | 2012-11-01 12:19:01 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
43394. | R. E. Harbach and D. Greenwalt. 2012. Two Eocene species of Culiseta (Diptera: Culicidae) from the Kishenehn Formation in Montana. Zootaxa 3530:25-34 [M. Clapham/M. Clapham] |
Secondary references:
73542 | D. D. S. Amorim and D. E. Greenwalt. 2020. Cretaceous and Eocene fossils of the rare extant genus Synneuron Lundstrom (Diptera: Canthyloscledidae): evidence of a true Pangean clade. Cladistics 36:413-423 [M. Clapham/L. Guerra/M. Clapham] | |
53556 | D. E. Greenwalt and G. Bechly. 2014. A re-description of the fossil damselfly Eolestes syntheticus Cockerell, 1940 (Odonata: Zygoptera: Eolestidae n. fam.) with description of new taxa from the Eocene of North America. Zootaxa 3887:138-156 [M. Clapham/M. Clapham] | |
69813 | D. E. Greenwalt, D. J. Bickel, P. H. Kerr, G. R. Curler, B. V. Brown, H. Jong, S. J. Fitzgerald, T. Dikow, M. Tkoč, C. Kehlmaier, and D. D. S. Amorim. 2019. Diptera of the middle Eocene Kishenehn Formation. I. Documentation of diversity at the family level. Palaeontologia Electronica 22(2.50A):1-56 [M. Clapham/M. Clapham/M. Clapham] | |
68475 | D. E. Greenwalt and V. A. Blagoderov. 2019. Review of the fossil record of Bolitophilidae, with description of new taxa and discussion of position of Mangas Kovalev (Diptera: Sciaroidea). Zootaxa 4567:546-560 [M. Clapham/M. Clapham] | |
61239 | D. E. Greenwalt and J. K. Moulton. 2016. The first fossil New World Dixidae with a critical discussion of generic definitions . Palaeontologia Electronica 19(3.55A):1-32 [M. Clapham/M. Clapham] |