Author:
Nichols,D.J.;Jacobson,S.R.;Tschudy,R.H.
Year:
1982
Title:
Cretaceous palynomorph biozones for the Central and northern Rocky Mountain Region of the United States.
Reference:
Nichols,D.J. et al. (1982) Cretaceous palynomorph biozones for the Central and northern Rocky Mountain Region of the United States. Rocky Mountain Association of Geologists Vol. 19 P. 721- 733
Google Academy:
try to search by title in english
Genus Species Country(Region) From To
Triporopollenites Triporopollenites sp USA(Rocky Mountains) Turonian Maastrichtian
Trisolissporites Trisolissporites montanensis USA(Rocky Mountains) Late Campanian
Trudopollis Trudopollis sp USA(Rocky Mountains) Santonian Early Maastrichtian
Ulmipollenites Ulmipollenites sp USA(Rocky Mountains) Late Maastrichtian
Umbosporites Umbosporites callosus USA(Rocky Mountains) Campanian
Vozzhennikovia Vozzhennikovia echinoidea USA(Rocky Mountains) Late Santonian Early Campanian
Wodehouseia Wodehouseia spinata USA(Rocky Mountains) Late Maastrichtian
Xenascus Xenascus ceratioides USA(Rocky Mountains) Coniacian Santonian