| original |
Cenomanian |
Coniacian |
Wyoming |
Upshaw,C.F. Palynology of the Frontier Formation, northwestern Wind River Basin, Wyoming. |
1959 |
| original |
Cenomanian |
|
Arizona |
Agasie,J.M. Late Cretaceous palynomorphs from northeastern Arizona. |
1969 |
| details |
Late Cretaceous |
|
Arizona |
Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona |
1969 |
| details |
Nd |
|
Nd |
Griggs,P.H. Stratigraphy and palynology of the Frontier Formation, Big Horn Basin, Wyoming |
1970 |
| details |
Late Cretaceous |
|
Arizona |
Romans,R.C. Schizaeaceous fern spores from the Cretaceous of Arizona |
1972 |
| details |
Cenomanian |
|
Arizona |
Ward,J.V. An introduction to the paleoecology of Coal Mine Canyon, Arizona. |
1973 |
| details |
Cretaceous |
|
USSR(Ukrainian SSR) |
Kuvayeva,S.B. On possible affinity of plants producing Corniculatisporites, Kuv., spores to Schizaeaceae. (As suggested by the study of spore morphology). |
1973 |
| details |
Late Cretaceous |
|
Arizona |
Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona |
1975 |
| details |
Middle Albian |
Late Albian |
USSR(Kazakh SSR) |
Polumiskova,L.A. et al. New data on the Lower Cretaceous deposits of South-West Betpal-Dala. |
1976 |
| details |
Cenomanian |
|
Iowa |
Ravn,R.L. Preliminary observations on the palynology of Upper Dakota Formation Lignites in Northwest Iowa and Northeast Nebraska. (In: Cretaceous stratigraphy and sedimentation in Northwest Iowa, Northeast Nebraska and Southeast South Dakota) |
1981 |
| details |
Cenomanian |
|
Nebraska |
Ravn,R.L. Preliminary observations on the palynology of Upper Dakota Formation Lignites in Northwest Iowa and Northeast Nebraska. (In: Cretaceous stratigraphy and sedimentation in Northwest Iowa, Northeast Nebraska and Southeast South Dakota) |
1981 |
| details |
Early Cretaceous |
|
China(Manchuria) |
Yang,X.-L. et al. On the Yingchen Formation in the eastern part of Songliao Basin. |
1981 |
| details |
Late Albian |
Early Coniacian |
Wyoming |
Nichols,D.J. et al. Palynostratigraphic framework for the Cretaceous (Albian-Maestrichtian), of the overthrust Belt of Utah and Wyoming. |
1982 |
| details |
Late Albian |
Early Coniacian |
Utah |
Nichols,D.J. et al. Palynostratigraphic framework for the Cretaceous (Albian-Maestrichtian), of the overthrust Belt of Utah and Wyoming. |
1982 |
| details |
Middle Albian |
Turonian |
USA(Rocky Mountains) |
Nichols,D.J. et al. Cretaceous palynomorph biozones for the Central and northern Rocky Mountain Region of the United States. |
1982 |
| details |
Albian |
Turonian |
Wyoming |
Nichols,D.J. et al. Cretaceous biostratigraphy in the Wyoming Thrust Belt |
1982 |
| details |
Albian |
Turonian |
Utah |
Nichols,D.J. et al. Cretaceous biostratigraphy in the Wyoming Thrust Belt |
1982 |