details |
Middle Oligocene |
Late Oligocene |
USSR(Mountain Altai) |
Rosenberg,L.I. On stratigraphy of Cenozoic (Preglacial) deposits of Upland Altai |
1973 |
details |
Cenomanian |
Turonian |
Japan(Hokkaido I.) |
Miki,A. Spores and pollen flora from the Middle Yezo Group in northern Hokkaido Japan |
1973 |
details |
Eocene |
|
USSR(Yakut ASSR) |
Kulkova,I.A. Eocene flora of Iana-Indigirska Lowland and its comparison with Synchronous floras of other Territories of the northern Hemisphere. (In: Cenozoic Flora of Siberia According to Palynological Data. V.N.Sacks and V.S.Volkova, editors) |
1971 |
details |
Early Cretaceous |
|
USSR(WSL) |
Rovnina,L.V. Principles of the application of the palynological method in stratigraphy. (In: Complex examination of the Jurassic and Lower Cretaceous stratigraphy of Western Siberia. L.A.Rovnina, editor) |
1978 |
details |
Late Eocene |
Oligocene |
Colombia |
SolĀ© de Porta,N. Presence of Tythodiscus Norem in Colombia. |
1959 |