| details |
Nd |
|
Nd |
Naumova,S.N. Spores and pollen of coals of the USSR. |
1939 |
| details |
Jurassic |
|
USSR(Kazakh SSR) |
Barbashinova,V.N. Micropaleobotanical remains in Mesozoic and Cenozoic deposits of Turgay. |
1951 |
| original |
Middle Carboniferous |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Atlas of microspores and pollen of the Middle Carboniferous Period in the western part of the Donets Basin. |
1952 |
| details |
Nd |
|
Nd |
Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains |
1954 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Miocene |
|
USSR(Urals) |
Pokrovskaya,I.M. Miocene spore-pollen complexes of the Urals |
1956 |
| details |
Eocene |
|
USSR(Yakut ASSR) |
Prokhorova,S.M. et al. The tin bearing granitoids of the Yan-Indigirsk Lowland and places related to them. |
1973 |
| details |
Badenian |
|
Poland |
Jachowicz,S. et al. Genesis of hard coal boulders in Sandstones of the Miocene Debowiec Formation |
1987 |