| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Early Permian |
|
USSR(Kazakh SSR) |
Abramova,S.A. et al. The application of palynological investigation in the study of Salt Domes of the Precaspian |
1964 |
| details |
Carboniferous |
|
Nd |
Smith,A.H.V. Revision of genus Verrucosisporites (Ibrahim). |
1965 |
| details |
Early Permian |
|
USSR(Astrachan) |
Efremova,G.D. Palynological study of Early Permian deposits of the Astrakhanskogo Uplift. (In: Fossil Spores and Pollen of Plants and their Significance for their Stratigraphic Subdivivision of Oil and Gas Bearing Series of Precambrian, Paleozoic and Mesozoic rocks in the European and Central Asian Regions of the USSR. S.V.Semikhatovoi, V.P.Grichuka, and K.A.Bolkhovitina, editors) |
1967 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |