| details |
Late Cretaceous |
|
USSR(Smolensk) |
Vozzhennikova,T.F. Fossil dinoflagellates from Jurassic, Cretaceous, and Paleogene deposits of the USSR. |
1967 |
| details |
Eocene |
|
USSR(Novosibirskaya) |
Vozzhennikova,T.F. Fossil dinoflagellates from Jurassic, Cretaceous, and Paleogene deposits of the USSR. |
1967 |
| original |
Early Cretaceous |
|
Nd |
Evitt,W.R. Dinoflagellates and their use in petroleum geology. (In: Palynology in Oil Exploration, Aureal T. Cross, editor) |
1964 |
| original |
Early Cretaceous |
|
Nd |
Evitt,W.R. Dinoflagellates and their use in petroleum geology. |
1964 |