| original |
Early Cretaceous |
|
USSR(Ukrainian SSR) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Kungurian |
|
USSR(Urals) |
Dyupina,G.V. Lower Permian spore-pollen complexes from the Middle Urals |
1971 |
| details |
Artinskian |
Kazanian |
USSR(Urals) |
Dyupina,G.V. Lower Permian spore-pollen complexes from the Middle Urals. |
1974 |