| details |
Middle Keuper |
|
Romania |
Oniceanu,M. et al. The contribution of palynology to the determination of the age of the Crystalline and sedimentary Formations in the Valea-Putnei-Iacobeni zone, Eastern Carpathians |
1982 |
| original |
Keuper |
|
Switzerland |
Leschik,G. The Keuper flora of Neuewelt near Basel.2. TheIso and microspores. |
1955 |
| details |
Rhaetian |
|
France(Cote d'Or) |
Lesage,M.T. Palynological study of the Infra-Liassic on the Morvan Margin and comparison with other boundaries of the Central Massive |
1968 |
| details |
Carnian |
|
Switzerland |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |