| details |
Middle Jurassic |
Middle Jurassic |
USSR(Sverdlovskaya) |
Kara-Murza,E.N. Spores and pollen of Mesozoic deposits of the northern Eniseydk Lensk Region. |
1954 |
| details |
Early Carboniferous |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Some preliminary results from spore analysis and study of the stratigraphy and paleogeography of the Carboniferous deposits of the USSR. |
1950 |
| details |
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 |
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 |