RC1971 (Paleocene of the United States)

Also known as Olive (1957) locality 456

Where: Sheridan County, Wyoming (44.8° N, 106.1° W: paleocoordinates 50.5° N, 84.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• immediately above Smith Coal

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; gray claystone

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 31006: authorized by Scott Wing, entered by Scott Wing on 03.04.2003, edited by Elizabeth Moore

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Polypodiopsida
  - Gleicheniaceae
Gleicheniidites spp. Dettmann 1963
Angiospermae
 Gunnerales -
Tricolpites parvus Stanley 1965
 Santalales - Loranthaceae
 Fagales - Juglandaceae
Pterocarya spp. Kunth 1824 wingnut
"Carya veripites" = Caryapollenites veripites Wilson and Webster 1946
 Fagales - Betulaceae
Alnus spp. Miller 1754 alder
 Rosales - Ulmaceae
Ulmaceae indet. Brisseau-Mirbel 1815 elm
Family complex
Fraxinoipollenites
  -
Plicatopollis
  -
"Maceopolipollenites rotundus" = Plicatopollis rotunda
"Maceopolipollenites rotundus" = Plicatopollis rotunda Leffingwell 1971