RC1803 (Paleocene of the United States)

Also known as Dobbin and Barnett (1927) locality 21

Where: Converse County, Wyoming (43.4° N, 105.1° W: paleocoordinates 49.0° N, 83.7° W)

When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)

• Channel sample of 8-inch impure lignite, 6 feet above Coal I

Environment/lithology: black lignite

• black, impure lignite

Size class: microfossils

Preservation: adpression, original sporopollenin

Collection methods: chemical,

Primary reference: H. A. Leffingwell. 1970. Palynology of the Lance (Late Cretaceous) and Fort Union (Paleocene) Formations of the type Lance area, Wyoming. Geological Society of America Special Paper 127:1-64 [S. Wing/S. Wing/S. Wing]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 31291: authorized by Scott Wing, entered by Elizabeth Moore on 01.05.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Fraxinoipollenites
  -
Angiospermae
 Fagales - Juglandaceae
"Maceopolipollenites amplus" = Momipites amplus, "Maceopolipollenites leboensis" = Momipites leboensis, "Maceopolipollenites tenuipolus" = Momipites
"Maceopolipollenites amplus" = Momipites amplus Leffingwell 1971
"Maceopolipollenites leboensis" = Momipites leboensis Leffingwell 1971
"Maceopolipollenites tenuipolus" = Momipites
 Fagales - Betulaceae
Alnus spp. Miller 1754 alder
 Rosales - Ulmaceae
Ulmaceae indet. Brisseau-Mirbel 1815 elm
 Gunnerales -
Pteridopsida
  -
Polypodiopsida
  - Polypodiaceae
  - Gleicheniaceae
Gleicheniidites spp. Dettmann 1963
Plicatopollis
  -
"Maceopolipollenites triorbicularis" = Plicatopollis triorbicularis, "Maceopolipollenites rotundus" = Plicatopollis rotunda
"Maceopolipollenites triorbicularis" = Plicatopollis triorbicularis Leffingwell 1971
"Maceopolipollenites rotundus" = Plicatopollis rotunda Leffingwell 1971