| details |
Devonian |
|
USA |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Late Riphean |
Vendian |
USSR(Siberia) |
Sokolov,B.S. On the significance of microfossils of vegetation nature. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Early Cambrian |
|
USSR(European) |
Sokolov,B.S. The problem of the boundary between the Precambrian and the Cambrian |
1974 |
| details |
Carboniferous |
|
USSR(Ukrainian SSR) |
Shkrebta,G.P. et al. New data on the age of ancient deposits in the Dnieper Donetzs Basin |
1973 |
| details |
Devonian |
|
Bolivia |
Obrhel,J. On the occurrance of spores and pollen (sporae dispersae) in Lower Paleozoic and Pre-Paleozoic formations |
1958 |
| details |
Middle Devonian |
|
Brazil(Para) |
Obrhel,J. On the occurrance of spores and pollen (sporae dispersae) in Lower Paleozoic and Pre-Paleozoic formations |
1958 |
| details |
Rhaetian |
|
Wales(Merioneth) |
Warrington,G. Palynology of the Upper Triassic strata in the Llanbedr (Mochras Farm) Borehole. (In: The Llanbedr (Mochras Farm) Borehole. W.Woodland, editor) |
1971 |
| details |
Early Callovian |
Middle Callovian |
North Sea |
Hoelstad,T. Palynology of the Middle Jurassic Lower Graben Sand Formation of the U-1 Well, Danish Central Trough. |
1986 |