| original |
Tournaisian |
Namurian |
USSR(Kazakh SSR) |
Lyuber,A.A. Atlas of spores and pollen of the Paleozoic deposits of Kazakhstan. |
1955 |
| details |
Carboniferous |
|
USSR(Kazakh SSR) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Late Triassic |
|
USSR(Ukrainian SSR) |
Kara-Murza,E.N. Spore-pollen complexes in Triassic deposits of the Cape Tsvetkov Region. |
1958 |
| details |
Late Paleozoic |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |