Also known as PW 9548
Where: Sweetwater County, Wyoming (41.9° N, 108.0° W: paleocoordinates 46.7° N, 91.5° W)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: Ramsey Ranch Member (Wasatch Formation), Wasatchian (55.8 - 50.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: wet floodplain; lithified, carbonaceous shale
Size class: macrofossils
Preservation: adpression
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Great Divide Basin; Sourdough Butte area; NMNH Accession #OR420051
Primary reference: 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]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 28730: authorized by Peter Wilf, entered by Peter Wilf on 20.02.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
| unclassified | |
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Syzygioides americana Morphotype #RR23; see Table A3 of Wilf 2000 (reference 7696) for additional information
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| Angiospermae | |
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Alnus "RR14" Miller 1754 alder Morphotype #RR14; see Table A3 of Wilf 2000 (reference 7696) for additional information
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| Polypodiopsida | |
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Allantodiopsis erosa Lesquereux 1878 Morphotype #RR32; see Table A3 of Wilf 2000 (reference 7696) for additional information
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Woodwardia gravida Hickey 1977 Morphotype #FW19-47; see Table A3 of Wilf 2000 (reference 7696) for additional information
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Thelypteris iddingsi Morphotype #RR69; see Table A3 of Wilf 2000 (reference 7696) for additional information
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