| original |
Late Liassic |
Early Dogger |
France(Pas-de-Calais) |
Danze,J. et al. Palynological study of a Clay found at the Lias-Dogger Boundry in a drilling at Boulogne-sur-Mer. |
1963 |
| details |
|
|
Uruguay |
Bharadwaj,D.C. Lower Gondwana formations. |
1969 |
| details |
|
|
Uruguay |
Bharadwaj,D.C. Lower Gondwana formations. |
1969 |
| details |
Zechstein |
|
England |
Smith,D.B. et al. A correlation of Permian rocks in the British Isles. |
1974 |
| details |
Cenomanian |
|
Minnesota |
Zavada,M.S. Angiosperm origins and evolution based on dispersed fossil pollen ultrastructure. (In: Historical Perspectives of Angiosperm Evolution.) |
1984 |
| details |
Triassic |
|
USA |
Zavada,M.S. Angiosperm origins and evolution based on dispersed fossil pollen ultrastructure. (In: Historical Perspectives of Angiosperm Evolution.) |
1984 |