| original |
Paleozoic |
|
Nd |
Knox,E.M. The spores of Lycopodium, Phylloglossum, Selaginella and Isoetes and their value in the study of microfossils of Paleozoic age. |
1950 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Carboniferous |
Liassic |
Nd |
Corsin,P.M. et al. Classification of spores and pollen from the Carboniferous to the Liassic |
1962 |
| details |
Stephanian |
Middle Permian |
North Sea |
Millioud,M.E. et al. Detailed geological methods aid North Sea exploration |
1966 |
| details |
Late Stephanian B |
Stephanian C |
France |
Neves,R. Stratigraphic distribution of Carboniferous miospores. A progress report on the results of CIMP Working Group,(1965) |
1967 |
| details |
Early Permian |
|
India(Madhya Pradesh) |
Navale,G.K.B. et al. Petro-palynological study of Churcha Seam, Sohagpur Coalfield, (Madhya Pradesh), India. |
1967 |
| details |
Late Ufimian |
|
USSR(Komi ASSR) |
Budanov,G.D. et al. Ufimian Stage of the West Timan Region |
1971 |