USNM 41362 (Eocene of the United States)

Also known as PW 9624

Where: Sweetwater County, Wyoming (42.3° N, 108.2° W: paleocoordinates 47.1° N, 91.5° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Niland Tongue 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; loc#5 of Pipiringos, p. A12; "Pronghorn Safari"; NMNH Accession #OR420051. Occurrence of Cephaloleichnites strongi (hispine beetle damage on Zingiberopsis, see Wilf et al. 2000).

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 28741: authorized by Peter Wilf, entered by Peter Wilf on 20.02.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
"Sabalites/Amesoneuron" "RR34"
Morphotype #RR34; see Table A3 of Wilf 2000 (reference 7696) for additional information
Dendropanax latens
Morphotype #RR60; see Table A3 of Wilf 2000 (reference 7696) for additional information
Angiospermae
  -
"Dicotyledonae "RR49"" = Dicotyledoneae, "Dicotyledonae "RR55"" = Dicotyledoneae, "Dicotyledonae "RR85"" = Dicotyledoneae
"Dicotyledonae "RR49"" = Dicotyledoneae
Morphotype #RR49; see Table A3 of Wilf 2000 (reference 7696) for additional information
"Dicotyledonae "RR55"" = Dicotyledoneae
Morphotype #RR55; see Table A3 of Wilf 2000 (reference 7696) for additional information
"Dicotyledonae "RR85"" = Dicotyledoneae
Morphotype #RR85; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Rosales -
aff. Gleditsia "RR29" Linnaeus 1753
Morphotype #RR29; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Oxalidales - Oxalidaceae
Averrhoites affinis Newberry 1868 wood sorrel
Morphotype #RR41; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Fagales - Betulaceae
Alnus "RR14" Miller 1754 alder
Morphotype #RR14; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Fagales - Juglandaceae
Platycarya castaneopsis
Morphotype #RR09; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Zingiberales - Zingiberaceae
Zingiberopsis isonervosa Hickey 1977
Morphotype #RR03; see Table A3 of Wilf 2000 (reference 7696) for additional information
Polypodiopsida
 Salviniales - Polypodiidae
Salvinia preauriculata Berry 1925 watermoss
Morphotype #RR06; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Polypodiales - Polypodiidae
Thelypteris iddingsi
Morphotype #RR69; see Table A3 of Wilf 2000 (reference 7696) for additional information
aff. Pteris silvicola
Morphotype #RR51; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Schizaeales - Polypodiidae
Lygodium kaulfussi Heer climbing fern
Morphotype #RR07; see Table A3 of Wilf 2000 (reference 7696) for additional information
Cycadopsida
 Cycadales - Cycadaceae
Cycadaceae "RR68" Persoon 1807 cycads
Morphotype #RR68; see Table A3 of Wilf 2000 (reference 7696) for additional information
Acrostichum
  -
Acrostichum hesperium Newberry 1882
Morphotype #RR80; see Table A3 of Wilf 2000 (reference 7696) for additional information