| original |
Paleocene |
|
Montana |
Oltz,D.F. Numerical analyses of palynological data from Cretaceous and Early Tertiary sediments in East Central Montana. |
1969 |
| details |
Early Paleocene |
|
Montana |
Oltz,D.F. Cluster analyses of Late Cretaceous-Early Tertiary pollen and spores |
1971 |
| details |
Paleocene |
|
Montana |
Pierce,S.T. Morphology of Schizosporis reticulatus Cookson and Dettmann 1959. |
1976 |
| details |
Paleocene |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |