| original |
Cenomanian |
|
Minnesota |
Pierce,R.L. Lower Upper Cretaceous plant microfossils from Minnesota. |
1961 |
| details |
Late Turonian |
Early Campanian |
Pennsylvania |
Tschudy,R.H. An Upper Cretaceous deposit in the Appalachian Mountains. |
1965 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Albian |
Cenomanian |
Maryland |
Wolfe,J.A. et al. Stratigraphic interpretations of some Cretaceous microfossil floras of the Middle Atlantic States. |
1971 |
| details |
Albian |
Cenomanian |
New Jersey |
Wolfe,J.A. et al. Stratigraphic interpretations of some Cretaceous microfossil floras of the Middle Atlantic States. |
1971 |