| 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 |
Visean |
Moscovian |
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spore and pollen analysis of the Lower Carboniferous deposits of the Dnieper-Donets Basin. |
1958 |
| details |
Early Carboniferous |
Middle Carboniferous |
Antarctica |
Grikurov,G.E. et al. More information on the Trinity Series, (C1-3), of Western Antarctica. |
1968 |
| details |
Westphalian B |
Westphalian C |
USSR(Rostov) |
Egorov,A.I. et al. Spores and pollen of Middle Carboniferous deposits of the Don Basin. |
1971 |
| details |
Early Carboniferous |
Middle Carboniferous |
Antarctica |
Grikurov,G.E. Geology of the Antarctic Peninsula. |
1973 |
| details |
Middle Carboniferous |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |