| original |
Cenomanian |
|
Minnesota |
Pierce,R.L. Lower Upper Cretaceous plant microfossils from Minnesota. |
1961 |
| details |
Late Cretaceous |
|
Minnesota |
M¤dler,K.A. Remarks on the nomenclature of Mesozoic spores |
1962 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Late Berriasian |
|
France(Jura) |
Taugourdeau-Lantz,J. et al. A sketch of the vegetational environment during a regressive episode at the end of the Berriasian in the Southernjura, France. |
1971 |