| details |
Late Cretaceous |
|
USSR(Novosibirskaya) |
Agranovskaya,I.A. et al. List of plant and spores of Late Cretaceous deposits of various Regions of the USSR. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complex of various Regions the USSR) |
1960 |
| original |
Neocomian |
Albian |
Nd |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1962 |
| original |
Aptian |
|
USSR(Moscow) |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |