| original |
Cenomanian |
|
Minnesota |
Pierce,R.L. Lower Upper Cretaceous plant microfossils from Minnesota. |
1961 |
| details |
Late Cretaceous |
Paleocene |
Montana |
Norton,N.J. Palynology of the Upper Cretaceous and Lower Tertiary in the type locality of the Hell Creek Formation |
1965 |
| details |
Late Santonian |
Maastrichtian |
USSR(Taymyr Nat.Okrug) |
Bondarenko,N.M. Spores and pollen of Upper Cretaceous deposits of the Khatangsk Depression |
1967 |
| details |
Cenomanian |
|
Minnesota |
Bondarenko,N.M. Spores and pollen of Upper Cretaceous deposits of the Khatangsk Depression |
1967 |
| details |
Nd |
|
Nd |
Schrank,E. Palynology of the Yesomma Formation in northern Somalia; a study of pollen, spores and associated phytoplankton from the Late Cretaceous Palmae Province |
1994 |
| details |
Cenomanian |
|
Minnesota |
Ravn,R.L. et al. The palynostratigraphy of the Dakota Formation, (?Late Albian-Cenomanian) in its type area, northwestern Iowa and northeastern Nebraska, USA. |
1995 |