| details |
Early Oxfordian |
|
USSR(Yamalo-Nenets) |
Mesezhnikov,M.S. Stratigraphy of Jurassic deposits of the eastern Slope of the Pri-Polyarnogo and Polyarnogo Urals. (In: Geology and Petroleum Resources of the western part of the West Siberian Plain. S.G.Galerkina, editor) |
1959 |
| details |
Late Cretaceous |
|
USSR(Yakut ASSR) |
Bolkhovitina,N.A. Spore-pollen complexes from the Mesozoic deposits of the Vilyuy Basin and their importance for stratigraphy. |
1959 |
| details |
Middle Eocene |
|
W.Germany(Hesse) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |
| details |
Aptian |
|
USSR(Moscow) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |
| details |
Cenomanian |
|
France(Vendee) |
Durand,S. et al. Pollen analysis of clays in the environs of Challans (Vendee) reveals the existence of a Cenomanian flora. |
1958 |
| details |
Hauterivian |
Barremian |
USSR(WSL) |
Ivanova,E.A. et al. Hauterivian-Barremian spore-pollen complexes. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| details |
Paleocene |
|
USSR(WSL) |
Ushakova,M.V. et al. Paleocene. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| details |
Hauterivian |
Barremian |
USSR(WSL) |
Filippova,E.A. Hauterivian - Barremian. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) |
1957 |
| details |
Paleocene |
|
USSR(WSL) |
Filippova,E.A. Paleocene. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) |
1957 |
| original |
Aptian |
|
USSR(Moscow) |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |