| details |
Berriasian |
Valanginian |
Netherlands |
Herngreen,G.F.W. Palynological investigation. (In: Palaeobotanical and palynological investigation with notes on microfaunal of some core samples from the Lower Cretaceous in the Western Netherlands Basin by Amerom et al .,1976 |
1976 |
| details |
Barremian |
Early Aptian |
Virginia |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |
| details |
Barremian |
Early Aptian |
Virginia |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |
| details |
Barremian |
Early Aptian |
Virginia |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |
| details |
Barremian |
Early Aptian |
Virginia |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |
| details |
Autunian |
|
Romania |
Antonescu,E. et al. Palynological contributions to the knowledge of the Permian from Banat. |
1976 |
| details |
Asselian |
Sakmarian |
Australia(S.Australia) |
Gilby,A.R. et al. Early Permian palynology of the Arckaringa Basin, South Australia |
1988 |
| details |
Ashgillian |
|
Belgium |
Martin,F. The Upper Ordovician and Lower Silurian at Deerlijk (Belgium) |
1973 |
| original |
Arenigian |
Llanvirnian |
Morocco |
Fournier-Vinas,C. Ordovician acritarchs of Zekkara, (East Morocco). |
1985 |
| original |
Aptian |
Albian |
China(Kiangsi) |
Yu,J. et al. Cretaceous spore pollen in Jiangxi Province. |
1985 |
| details |
Algonkian |
|
Czechoslovakia |
PacltovЎ,B. Organic remains (Acritarcha Evitt) from the Precambrian (Algonkian) of the Bohemian Massif. |
1970 |
| details |
Algonkian |
|
Czechoslovakia |
PacltovЎ,B. Organic remains (Acritarcha Evitt) from the Precambrian (Algonkian) of the Bohemian Massif. |
1970 |
| details |
Algonkian |
|
Czechoslovakia |
PacltovЎ,B. Organic remains (Acritarcha Evitt) from the Precambrian (Algonkian) of the Bohemian Massif. |
1970 |
| details |
Algonkian |
|
Czechoslovakia |
VavrdovЎ,M. Microorganisms (Acritarcha), from Proterozoic Lydites of Bohemia. |
1966 |
| details |
Algonkian |
|
Czechoslovakia |
VavrdovЎ,M. Microorganisms (Acritarcha), from Proterozoic Lydites of Bohemia. |
1966 |
| details |
Algonkian |
|
Czechoslovakia |
VavrdovЎ,M. Microorganisms (Acritarcha), from Proterozoic Lydites of Bohemia. |
1966 |
| details |
Algonkian |
|
Czechoslovakia |
VavrdovЎ,M. Microorganisms (Acritarcha), from Proterozoic Lydites of Bohemia. |
1966 |