| details |
Albian |
Cenomanian |
USSR(Ukrainian SSR) |
Krutzsch,W. Atlas of Middle and Upper Tertiary dispersed spores and pollen as well as microplankton of northern Middle Europe. 2. Spores of the a Nothocerotaceae and Lycopodiaceae. |
1963 |
| details |
Aptian |
|
USSR(Urals) |
Malyavkina,V.S. Spore and pollen complexes of Mesozoic deposits of the South-East of the Russian Platform (Emba and West Urals) |
1956 |
| original |
Albian |
Cenomanian |
USSR(Ukrainian SSR) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |