details |
Tournaisian |
Namurian |
USSR(European) |
Andreeva,E.M. et al. Spore and pollen complexes of Middle and Upper Paleozoic of the USSR. |
1960 |
details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
details |
Permian |
|
USSR(Ukrainian SSR) |
Inosova,K.I. et al. Pollen and spores of the Permian of the Don Basin |
1955 |
details |
Nd |
|
Nd |
Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains |
1954 |
details |
Nd |
|
Nd |
Naumova,S.N. Spores and pollen of coals of the USSR. |
1939 |