| 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 |
| details |
Keuper |
|
W.Germany(Hesse) |
Schulz,E. Study of fossil spores from Rhaetian-Liassic Layers in the central part of the German Basin. |
1967 |
| details |
Keuper |
|
Switzerland |
Schulz,E. Study of fossil spores from Rhaetian-Liassic Layers in the central part of the German Basin. |
1967 |
| details |
Keuper |
|
Poland |
Grodzicka-Szymanko,W. et al. Stratigraphy of the Upper Triassic in the northeast Margin of the Upper Silesian Coal Basin. |
1972 |
| details |
Late Keuper |
Early Liassic |
England(Somerset) |
Warrington,G. Studies in the palynological biostratigraphy of the British Trias. 1. reference sections in West Lancashire and North Someret. |
1974 |
| details |
Late Keuper |
Early Rhaetian |
Poland |
Orlowska-Zwolinska,T. Stratigraphic study of the Keuper and Rhaetian sediments in Poland based on microspores. |
1976 |
| details |
Keuper |
Rhaetian |
Poland |
Orlowska-Zwolinska,T. Palynostratigraphy of the Upper Part of Triassic Epicontinental sediments in Poland |
1983 |
| details |
Nd |
|
Nd |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |