details |
Barremian |
|
USSR(WSL) |
Strepetilova,V.G. et al. The role of palynological investigations in the stratigraphy and correlation of Lower Cretaceous Oil-Gas deposits of northern West Siberia. (In: Recent Problems of Paleontology and Biostratigraphy in the Development of the Raw-Mineral Base. A.V.Lapo, editor) |
1984 |
details |
Toarcian |
Volgian |
USSR(Krasnoyarsk Kray) |
Sheiko,L.N. The history of plant development in Jurassic times in the Pre-Yenisey Part of the West Siberian Lowlands. (In: Paleopalynology Material of Central Siberia. L.E.Markova, editor) |
1971 |
details |
Barremian |
Aptian |
China(Anhwei) |
Wang,K. et al. Cretaceous-Tertiary palynological assemblages from Anhui |
1987 |
details |
Middle Triassic |
Late Triassic |
USSR(Nenets Nat.Okrug) |
Virbitskas,A.B. et al. Redeposited miospores in Permian and Triassic deposits of the Pechorsk Basin |
1977 |
details |
Nd |
|
Canada(Alberta) |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |
original |
Bajocian |
|
England(Yorkshire) |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |
original |
Toarcian |
|
England(Northampton) |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |