| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| original |
Cenomanian |
|
Minnesota |
Pierce,R.L. Lower Upper Cretaceous plant microfossils from Minnesota. |
1961 |
| details |
Aptian |
Albian |
USSR(Siberia) |
Burger,D. Observations on the Earliest angiosperm development with special reference to Australia. |
1981 |
| details |
Early Miocene |
Middle Miocene |
India(Madras) |
Ramanujam,C.G.K. Tertiary palynology and palynostratigraphy of southern India. (In: Cenozoic stratigraphy and palynology in India.) |
1982 |