| original |
Bathonian |
|
England(Cambridgeshire) |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |
| original |
Bathonian |
|
Scotland(Sutherland) |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |
| details |
Mesozoic |
|
Nd |
Hughes,N.F. Suggestions for better handling of the genus in palaeo-palynology. |
1969 |
| details |
Liassic |
|
Poland |
Rogalska,M. Division of the Liassic deposits in Poland (Except for the Carpathian area) based on microscope examinations. |
1971 |
| details |
Early Cretaceous |
|
Poland |
Rogalska,M. Division of the Liassic deposits in Poland (Except for the Carpathian area) based on microscope examinations. |
1971 |
| details |
Purbeckian |
|
Poland |
Mamczar,J. Boundary between the Jurassic and Cretaceous in the Polish Lowland determined on palynological examinations. |
1971 |