USGS locality 4661, near Ilo post office, WY lower Fort Union Fm: Paleocene, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Polypodiopsida
- Blechnaceae
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Woodwardia arctica leaf
Brown 1962
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Polypodiopsida
- Polypodiaceae
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Lastrea goldiana leaf
Lesquereux 1878
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Ginkgoopsida
- Ginkgoales
- Ginkgoaceae
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Ginkgo adiantoides leaf
(Unger 1845)
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| original and current combination Salisburia adiantoides | ||||||||||
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Angiospermae
- Fagales
- Betulaceae
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Betula stevensoni leaf
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Angiospermae
- Ericales
- Ericaceae
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Kalmia elliptica leaf
Brown 1962
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Angiospermae
- Laurales
- Lauraceae
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Persea brossiana leaf
(Lesquereux 1878)
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| original and current combination Laurus brossiana | ||||||||||
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Laurophyllum perseanum leaf
Brown 1962
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Angiospermae
- Proteales
- Platanaceae
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Platanus raynoldsi leaf
Newberry 1868
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Angiospermae
- Saxifragales
- Saxifragaceae
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Hydrangea antica leaf
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Angiospermae
- Saxifragales
- Cercidiphyllaceae
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Cercidiphyllum arcticum
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Angiospermae
- Garryales
- Eucommiaceae
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Eucommia serrata leaf
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Angiospermae
- Lamiales
- Oleaceae
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Fraxinus eocenica leaf
Lesquereux 1878
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Angiospermae
- Trochodendrales
- Trochodendraceae
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Nordenskioldia borealis seed/fruit
Heer 1870
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| seed | ||||||||||
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Coniferales
- Cupressaceae
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Glyptostrobus nordenskioldi
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Taxodium olriki leaf
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Metasequoia occidentalis
Chaney 1951
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Bighorn |
| Coordinates: | 43.9° North, 108.5° West (view map) | ||||
| Paleocoordinates: | 50.0° North, 87.3° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Paleogene | Epoch: | Paleocene |
| 10 m.y. bin: | Cenozoic 1 | ||
| Key time interval: | Paleocene | ||
| Age range of interval: | 66.00000 - 56.00000 m.y. ago |
Stratigraphy
| Formation: | Fort Union | ||||
| Regional section: | Bighorn | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: lower Fort Union | |||||
Lithology and environment
| Primary lithology: | coal |
| Lithology description: 'Gwynn coal prospect' - from USGS unpublished log book. | |
| Environment: | fluvial indet. |
Taphonomy
Collection methods and comments
| Collection methods: | selective quarrying,mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USNM |
| Collection method comments: Specimens were collected by E. G. Woodruff, 1907. | |
| Taxonomic list comments:Species lists for Brown 1962 were compiled from the publication and provided for the Paleobiology Database by Drs. Steven R. Manchester and Peter R. Crane. | |
Metadata
| Also known as: | USGS locality 6666 | ||
| Database number: | 40775 | ||
| Authorizer: | P. Wilf | Enterer: | J. Sessa |
| Modifier: | J. Sessa | Research group: | paleobotany |
| Created: | 2004-06-30 14:10:40 | Last modified: | 2004-06-30 17:21:06 |
| Access level: | the public | Released: | 2004-06-30 14:10:40 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 10820. | R. W. Brown. 1962. Paleocene flora of the Rocky Mountains and Great Plains. United States Geological Survey Professional Paper 375:1-119 [P. Wilf/J. Sessa/M. Uhen] |