USNM 41338: Wasatchian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Angiospermae
- Magnoliales
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| Morphotype #RR12; see Table A3 of Wilf 2000 (reference 7696) for additional information | ||||||||||
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Angiospermae
- Magnoliales
- Magnoliaceae
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| Morphotype #RR36; see Table A3 of Wilf 2000 (reference 7696) for additional information | ||||||||||
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Angiospermae
- Zingiberales
- Zingiberaceae
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| Morphotype #RR03; see Table A3 of Wilf 2000 (reference 7696) for additional information | ||||||||||
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Angiospermae
- Fagales
- Betulaceae
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Alnus informal RR14 leaf
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| Morphotype #RR14; see Table A3 of Wilf 2000 (reference 7696) for additional information | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Sweetwater |
| Coordinates: | 41.9° North, 108.0° West (view map) | ||||
| Paleocoordinates: | 49.7° North, 81.0° West (Wright 2013) | ||||
| Basis of coordinate: | unpublished field data | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| *Period: | Tertiary | *Epoch: | Early/Lower Eocene | *Local age/stage: | Wasatchian |
| Key time interval: | Wasatchian | ||
| Age range of interval: | 54.9 - 50.5 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Wasatch | Member: | Ramsey Ranch |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified carbonaceous siltstone | ||
| Includes fossils? | Y | ||
| Environment: | wet floodplain | Tectonic setting: | intermontane basin |
Taphonomy
| Modes of preservation: | adpression |
| Size of fossils: | macrofossils |
| Spatial orientation: | random |
| Temporal resolution: | snapshot |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,mechanical,field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | USNM |
| Collection method comments: Great Divide Basin; W end Sourdough Butte; NMNH Accession #OR420051 | |
Metadata
| Also known as: | PW 9516 | ||
| Database number: | 28717 | ||
| Authorizer: | P. Wilf | Enterer: | P. Wilf | Research group: | paleobotany |
| Created: | 2003-02-20 17:29:11 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2003-02-03 00:00:00 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 7696. | P. Wilf. 2000. Late Paleocene-early Eocene climate changes in southwestern Wyoming: Paleobotanical analysis. Geological Society America Bulletin 112(2):292-307 [P. Wilf/P. Wilf/P. Wilf] |