| details |
Cenomanian |
|
Minnesota |
Binda,P.L. et al. Silicified megaspores from Upper Cretaceous beds of Southern Alberta, Canada. |
1968 |
| details |
Late Cretaceous |
|
Canada(Alberta) |
Srivastava,S.K. Upper Cretaceous palynology-A review |
1967 |
| details |
Maestrichtian |
|
Mexico(Coahuila) |
Rueda-Gaxiola,J. Contribution to the palynologic and petrographic study of the Cretaceous Coal of the Sabina Basin, Coahuila, Mexico |
1967 |
| details |
Early Keuper |
|
E.Germany |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Late Cretaceous |
|
Minnesota |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Nd |
|
Nd |
Potonie,R. Fossil sporae in situ. Comparison with the sporae dispersae. Addition to the synopsis of the sporae in situ. |
1965 |
| details |
Nd |
|
Canada(Alberta) |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |
| details |
Late Cretaceous |
|
Minnesota |
M¤dler,K.A. Remarks on the nomenclature of Mesozoic spores |
1962 |
| original |
Cenomanian |
|
Minnesota |
Pierce,R.L. Lower Upper Cretaceous plant microfossils from Minnesota. |
1961 |
| details |
Early Cretaceous |
Maastrichtian |
Texas |
Grayson,J.F. et al. Floristic interpretations from Cretaceous Polospores of Central Texas |
1959 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |