| details |
Early Zechstein |
Lettenkeuper |
France(Loire) |
Boulouard,C. Contribution to the study of the "Saccates": Essay of morphographic classification and stratigraphic application. |
1963 |
| details |
Gipskeuper |
|
Switzerland |
Scheuring,B.W. Palynology and palynostratigraphic study of the Keuper in Bolchentunnel, (Solothurn Jura). |
1970 |
| details |
Ladinian |
|
Switzerland |
Scheuring,B.W. Microflora of the Meride Limestone of Mount San Biorgio, (Ticino, Switzerland). |
1978 |
| details |
Middle Triassic |
|
France(Lorraine) |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |