| details |
Early Keuper |
|
Poland |
Orlowska-Zwolinska,T. Stratigraphic study of the Keuper and Rhaetian sediments in Poland based on microspores. |
1976 |
| details |
Early Keuper |
|
E.Germany |
Schulz,E. Stratigraphic distribution of spores and pollen from the Upper Permian to the Lowermost Lias in northern Middle Europe. |
1966 |
| original |
Keuper |
|
Switzerland |
Leschik,G. The Keuper flora of Neuewelt near Basel.2. TheIso and microspores. |
1955 |
| details |
Nd |
|
Nd |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |
| details |
Carnian |
|
Switzerland |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |