USNM 41342 (Eocene of the United States)

Also known as PW 9529

Where: Sweetwater County, Wyoming (41.9° N, 108.0° W: paleocoordinates 46.7° N, 91.5° 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• coordinate based on unpublished field data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 siltstone

Size class: macrofossils

Preservation: adpression

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Great Divide Basin; E end Sourdough Butte; 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 28721: authorized by Peter Wilf, entered by Peter Wilf on 20.02.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Allophylus flexifolia
Morphotype #RR59; 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 "RR10"" = Dicotyledoneae, "Dicotyledonae "RR20"" = Dicotyledoneae, "Dicotyledonae "RR24"" = Dicotyledoneae, "Dicotyledonae "RR31"" = Dicotyledoneae, "Dicotyledonae "RR37"" = Dicotyledoneae, "Dicotyledonae "RR57"" = Dicotyledoneae, "Dicotyledonae "RR87"" = Dicotyledoneae
"Dicotyledonae "RR10"" = Dicotyledoneae
Morphotype #RR10; see Table A3 of Wilf 2000 (reference 7696) for additional information
"Dicotyledonae "RR20"" = Dicotyledoneae
Morphotype #RR20; see Table A3 of Wilf 2000 (reference 7696) for additional information
"Dicotyledonae "RR24"" = Dicotyledoneae
Morphotype #RR24; see Table A3 of Wilf 2000 (reference 7696) for additional information
"Dicotyledonae "RR31"" = Dicotyledoneae
Morphotype #RR31; see Table A3 of Wilf 2000 (reference 7696) for additional information
"Dicotyledonae "RR37"" = Dicotyledoneae
Morphotype #RR37; see Table A3 of Wilf 2000 (reference 7696) for additional information
"Dicotyledonae "RR57"" = Dicotyledoneae
Morphotype #RR57; see Table A3 of Wilf 2000 (reference 7696) for additional information
"Dicotyledonae "RR87"" = Dicotyledoneae
Morphotype #RR87; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Malvales - Sterculiaceae
"Dombeya" novimundi Hickey 1977
Morphotype #RR05; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Rosales - Rhamnaceae
Hovenia cf. oregonensis buckthorn
Morphotype #RR15; 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
? Alnus "RR90" Miller 1754 alder
Morphotype #RR90; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Fagales - Juglandaceae
Platycarya americana Hickey 1977
Morphotype #RR01; see Table A3 of Wilf 2000 (reference 7696) for additional information
Platycarya americana Hickey 1977
Morphotype #RR02; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Oxalidales - Elaeocarpaceae
aff. Sloanea "RR18" Linnaeus
Morphotype #RR18; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Magnoliales -
cf. Magnoliales "RR12" Jussieu 1820 magnoliids
Morphotype #RR12; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Gentianales - Apocynaceae
Apocynaceae "RR17" de Jussieu 1789 dogbane
Morphotype #RR17; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Santalales - Schoepfiaceae
cf. Schoepfia republicensis Berry 1929
Morphotype #RR44; 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
  - Polypodiaceae
Allantodiopsis erosa Lesquereux 1878
Morphotype #RR32; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Polypodiales - Polypodiidae
? Dryopteridaceae "RR21" Herter 1949
Morphotype #RR21; "Tatman fern" of Wing, 1998; 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
 Cyatheales - Polypodiidae
"Cnemidaria magna" = Cyathea
"Cnemidaria magna" = Cyathea scaly tree fern
Morphotype #RR22; see Table A3 of Wilf 2000 (reference 7696) for additional information
 Equisetales - Equisetidae
Equisetum "FW21" Linnaeus 1753 horsetail
Morphotype #FW21; see Table A3 of Wilf 2000 (reference 7696) for additional information
Cinnamomophyllum
  -
Cinnamomophyllum "RR19" Kraeusel and Weyland 1950
Morphotype #RR19; see Table A3 of Wilf 2000 (reference 7696) for additional information