| details |
Keuper |
|
Switzerland |
Schulz,E. Paleontological investigations of spores of the Rhaetian-Liassic boundary of Thuringen and the Altmark. |
1962 |
| details |
Rhaetian |
Liassic |
Texas |
Jux,U. The palynologic age of Diapiric and Bedded Salt in the Gulf Coastal Province. |
1961 |
| details |
Rhaetian |
Liassic |
Louisiana |
Jux,U. The palynologic age of Diapiric and Bedded Salt in the Gulf Coastal Province. |
1961 |
| original |
Keuper |
|
Switzerland |
Leschik,G. The Keuper flora of Neuewelt near Basel.2. TheIso and microspores. |
1955 |