Also known as PW 944
Where: Sweetwater County, Wyoming (41.5° N, 108.7° W: paleocoordinates 46.9° N, 90.8° W)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: Fort Union Formation, Clarkforkian (56.2 - 54.9 Ma)
• bed-level stratigraphic resolution
Environment/lithology: wet floodplain; lithified, carbonaceous siltstone
Size class: macrofossils
Preservation: adpression
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Washakie Basin; bed #83 Roehler section 12-73; 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 28673: authorized by Peter Wilf, entered by Peter Wilf on 20.02.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Dicotyledoneae | |
Ternstroemites aureavallis Hickey 1977 Morphotype #FW29; see Table A3 of Wilf 2000 (reference 7696) for additional information
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Angiospermae | |
"Ampelopsis" acerifolia Newberry 1868 Morphotype #FW14; see Table A3 of Wilf 2000 (reference 7696) for additional information
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Corylites "FW01" Gardner 1887 birch Morphotype #FW01; see Table A3 of Wilf 2000 (reference 7696) for additional information
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""Carya" antiquorum" = Hicoria antiquora
""Carya" antiquorum" = Hicoria antiquora Newberry 1868 Morphotype #BB03; should be placed in Aesculus antiquorum; see Table A3 of Wilf 2000 (reference 7696) for additional information
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Persites argutus Hickey 1977 laurel Morphotype #FW08,WM10; see Table A3 of Wilf 2000 (reference 7696) for additional information
"Cinnamomum" sezannense Brown 1962 cinnamon Morphotype #FW02; see Table A3 of Wilf 2000 (reference 7696) for additional information
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Zingiberopsis isonervosa Hickey 1977 Morphotype #RR03; see Table A3 of Wilf 2000 (reference 7696) for additional information
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Polypodiopsida | |
Woodwardia gravida Hickey 1977 Morphotype #FW19-47; see Table A3 of Wilf 2000 (reference 7696) for additional information
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Equisetum "FW21" Linnaeus 1753 horsetail Morphotype #FW21; see Table A3 of Wilf 2000 (reference 7696) for additional information
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