| original |
Liassic |
|
Poland |
Rogalska,M. Spore and pollen grain analysis of Jurassic sediments in the northern part of the Cracow-Wielum Cuesta. |
1962 |
| details |
Hettangian |
Cenomanian |
USSR(Ukrainian SSR) |
Voronova,M.A. Palynological |
1964 |
| details |
Early Jurassic |
Middle Jurassic |
Poland |
Grabowska,I. et al. Flora from the Lower and Middle Jurassic microflora |
1970 |
| details |
Early Jurassic |
Middle Jurassic |
Poland |
Grabowska,I. et al. Flora from the Lower and Middle Jurassic microflora |
1970 |
| details |
Sinemurian |
Toarcian |
Poland |
Rogalska,M. Division of the Liassic deposits in Poland (Except for the Carpathian area) based on microscope examinations. |
1971 |
| details |
Liassic |
Dogger |
Poland |
Rogalska,M. Stratigraphy of the Lower and Middle Jurassic in the Polish Lowlands on the basis of spore and pollen analysis. |
1976 |
| details |
Early Jurassic |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |