| details |
Hauterivian |
Barremian |
USSR(WSL) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes of the Western Siberian Lowland. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Valanginian |
|
USSR(WSL) |
Mchedlishvili,N.D. Lower Cretaceous flora of the northwestern part of the Western Siberian Lowland. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |
| details |
Early Triassic |
|
USSR(Yakut ASSR) |
Skripina,G.F. Evolution of vegetation of Yakutia in the Triassic; Palynologic data. (In: Life on Ancient Continents: Its Establishment and Expansion.) |
1981 |
| details |
Late Cretaceous |
Early Eocene |
Washington |
Griggs,P.H. Palynological interpretation of the type section, Chuckanut Formation, northwestern Washington. (In: Symposium on Palynology of the Late Cretaceous and Early Tertiary. R.M Kosanke and A.T. Cross, editors) |
1970 |
| details |
Paleocene |
Early Eocene |
Washington |
Griggs,P.H. Stratigraphic significance of fossil pollen and spores of the Chuckanut Formation, northwest Washington. |
1965 |