USNM 41353: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Morphotype #RR34; see Table A3 of Wilf 2000 (reference 7696) for additional information
Morphotype #RR19; see Table A3 of Wilf 2000 (reference 7696) for additional information
Polypodiopsida - Polypodiales - Dryopteridaceae
? Dryopteridaceae informal RR21 leaf, non-seed repro
Morphotype #RR21; "Tatman fern" of Wing, 1998; see Table A3 of Wilf 2000 (reference 7696) for additional information
Polypodiopsida - Cyatheales - Cyatheaceae
Morphotype #RR22; see Table A3 of Wilf 2000 (reference 7696) for additional information
Polypodiopsida - Polypodiaceae
Morphotype #RR35; see Table A3 of Wilf 2000 (reference 7696) for additional information
Allantodiopsis erosa leaf (Lesquereux 1878)
Morphotype #RR32; see Table A3 of Wilf 2000 (reference 7696) for additional information
Angiospermae - Magnoliales - Magnoliaceae
Morphotype #RR36; see Table A3 of Wilf 2000 (reference 7696) for additional information
Angiospermae - Proteales - Platanaceae
Macginitiea gracilis leaf Wolfe and Wehr 1987
Morphotype #FW48; see Table A3 of Wilf 2000 (reference 7696) for additional information
Angiospermae - Rosales - Rhamnaceae
Morphotype #RR15; see Table A3 of Wilf 2000 (reference 7696) for additional information
Angiospermae - Malvales - Sterculiaceae
Morphotype #RR05; see Table A3 of Wilf 2000 (reference 7696) for additional information
Angiospermae
Morphotype #RR37; see Table A3 of Wilf 2000 (reference 7696) for additional information
Morphotype #RR38; 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Basis of coordinate:unpublished field data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; Sourdough Butte area; NMNH Accession #OR420051
Metadata
Also known as:PW 9552
Database number:28732
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]