| details |
Early Visean |
Middle Visean |
USSR(Ukrainian SSR) |
Aseeva,E.A. et al. The palynological basis for the Paleozoic age of certain sections of the Ukrainiane dated as Early Precambrian. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
| details |
Tournaisian |
|
USSR(Ukrainian SSR) |
Kurilyuk,L.V. et al. New data on the Npaleozoic deposits in the Southern Margin of the Srebnenian Depression as to Gas and Oil content. |
1987 |
| details |
Precambriam |
|
USSR |
Yankauskas,T.V. et al. Acritarch (Group acritarch,1963) classification. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Nd |
|
Nd |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Early Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Tournaisian |
|
Libya |
VavrdovЎ,M. Latest Devonian miospores and acritarchs from the subsurface samples of the Ashkidah Formation. (In: The Geology of Libya. M.J.Salem et al, editors) |
1991 |