| details |
Permian |
|
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Late Devonian |
Carboniferous |
S.Ireland(Cork) |
Veen,P.M.Van Aspects of Late Devonian and Early Carboniferous palynology of Southern Ireland.V. The change in composition of palynological assemblages at the Devonian-Carboniferous boundary. |
1981 |
| details |
Late Tournaisian |
|
USSR(Kazakh SSR) |
Kukhtinov,D.A. et al. Carboniferous rock units of the eastern part of the Pricaspian Basin. |
1981 |
| details |
Early Visean |
|
USSR(Ukrainian SSR) |
Shulga,P.L. et al. The Paleozoic Formations of the Belokorovichi Graben Syncline, northwestern Ukrainian Shield. |
1982 |
| details |
Tournaisian |
Early Visean |
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 |
Tournaisian |
|
USSR(Ukrainian SSR) |
Kononenko,L.L. Stratigraphic boundary of Devonian-Carboniferous deposits in the Oster-Sul Interfluve of the Knieper-Donets Basin |
1993 |