USNM 41292 (Paleocene of the United States)

Also known as PW 9540

Where: Sweetwater County, Wyoming (41.2° N, 108.9° W: paleocoordinates 46.8° N, 90.6° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Fort Union Formation, Late/Upper Paleocene (58.7 - 55.8 Ma)

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; lithified sandstone

Size class: macrofossils

Preservation: adpression

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Washakie Basin; est. 110 m below Wasatch; 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 28670: authorized by Peter Wilf, entered by Peter Wilf on 20.02.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Sabalitesamesoneuron "RR34"
Morphotype #RR34; see Table A3 of Wilf 2000 (reference 7696) for additional information
Angiospermae
 Laurales - Lauraceae
Persites argutus Hickey 1977 laurel
Morphotype #FW08,WM10; see Table A3 of Wilf 2000 (reference 7696) for additional information
aff. Ocotea "FW03" Aublet 1775 laurel
Morphotype #FW03; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Garryales - Eucommiaceae
"Eucommia" serrata
Morphotype #FW45; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Cornales - Cornaceae
Cornus hyperborea Heer 1871 dogwood
Morphotype #FW34; see Table A3 of Wilf 2000 (reference 7696) for additional information
Polypodiopsida
  - Polypodiaceae
Allantodiopsis erosa Lesquereux 1878
Morphotype #RR32; see Table A3 of Wilf 2000 (reference 7696) for additional information
Bivalvia
 Actinodontida - Cycloconchidae
Davidia antiqua Manchester 2002 clam
Morphotype #FW43; formerly "Viburnum" antiquum; see Table A3 of Wilf 2000 (reference 7696) for additional information
Beringiaphyllum cupanioides
  -
Beringiaphyllum cupanioides Manchester et al. 1999
Morphotype #FW44; see Table A3 of Wilf 2000 (reference 7696) for additional information