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
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 | |
Trilete indet., Stereisporites-Cingulatisporites indet., Insulapollenites rugulatus, Pinaceae-Podocarpaceae indet., Betulaceae-Myricaceae-Casuarinaceae indet.
| |
Fraxinoipollenites | |
Angiospermae | |
"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 | |
Alnus spp. Miller 1754 alder | |
Ulmaceae indet. Brisseau-Mirbel 1815 elm | |
| |
Pteridopsida | |
Polypodiopsida | |
Laevigatosporites spp. Ibrahim 1933 | |
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 |