| details |
Rhaetian |
Sinemurian |
Romania |
Antonescu,E. Some data on the palynology of the Lias in the Gresten facies of Roumania |
1971 |
| details |
Sinemurian |
|
Romania |
Antonescu,E. Some data on the palynology of the Lias in the Gresten facies of Roumania |
1971 |
| details |
Middle Liassic |
|
Romania |
Antonescu,E. Some data on the palynology of the Lias in the Gresten facies of Roumania |
1971 |
| details |
Nd |
|
Nd |
Jansonius,J. Spore nomenclature and the proposals of the Lille palynologists. |
1968 |
| details |
Early Liassic |
|
France(Pas-de-Calais) |
Levet-Carrette,J. Study of the Lower Liassic microflora of a drilling made in the sub-soil of Boulogne-sur-Mer, (Pas-de-Calais). |
1963 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| original |
Liassic |
|
Sweden |
Nilsson,T. On the occurrence of a Mesozoic oil shale in Schonen. |
1958 |