| details |
Nd |
|
Nd |
Krutzsch,W. Information on fossil dispersed tetrad pollen. |
1970 |
| details |
Late Cretaceous |
|
Minnesota |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| original |
Early Eocene |
|
India(Rajasthan) |
Kar,R.K. Some new spore pollen genera from Early Eocene sediments of Rajasthan. (In: Vistas in Palynology Perspectives and prospects) |
1995 |
| original |
Cenomanian |
|
Minnesota |
Pierce,R.L. Lower Upper Cretaceous plant microfossils from Minnesota. |
1961 |