Also known as PW 9618
Where: Sweetwater County, Wyoming (41.7° N, 107.8° W: paleocoordinates 46.5° N, 91.3° 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• coordinate based on unpublished field data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; Latham 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 28704: authorized by Peter Wilf, entered by Peter Wilf on 20.02.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Polypodiopsida | |
"Cnemidaria magna" = Cyathea
"Cnemidaria magna" = Cyathea scaly tree fern Morphotype #RR22; see Table A3 of Wilf 2000 (reference 7696) for additional information
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Angiospermae | |
"Dicotyledonae "RR54"" = Dicotyledoneae, "Dicotyledonae "RR78"" = Dicotyledoneae
"Dicotyledonae "RR54"" = Dicotyledoneae Morphotype #RR54; see Table A3 of Wilf 2000 (reference 7696) for additional information
"Dicotyledonae "RR78"" = Dicotyledoneae Morphotype #RR78; see Table A3 of Wilf 2000 (reference 7696) for additional information
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