| details |
Visean |
|
USSR |
Teteryuk,V.K. On the method of separation of spores |
1964 |
| details |
Early Visean |
|
USSR(Moscow Basin) |
Umnova,N.I. et al. On Malinovsky deposits of Lower Carboniferous age on the Southern Limb of Moscow Basin |
1962 |
| details |
Early Carboniferous |
|
USSR(Moscow Basin) |
Hughes,N.F. Fossil evidence and angiosperm ancestry. |
1961 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Early Carboniferous |
|
USSR(Moscow Basin) |
Scott,R.A. et al. How Old are the angiosperms? |
1960 |
| details |
Late Cretaceous |
|
USSR(Kazakh SSR) |
Barbashinova,V.N. Spore and pollen complexes of Mesozoic Layers of the northern part of the Turgayskaya Basin |
1956 |
| details |
Nd |
|
Nd |
Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains |
1954 |
| original |
Early Carboniferous |
|
USSR |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| details |
Nd |
|
Nd |
Naumova,S.N. Spores and pollen of coals of the USSR. |
1939 |