| details |
Middle Jurassic |
|
England(Yorkshire) |
Harris,T.M. Caytonia |
1940 |
| details |
Early Monongahela |
|
Ohio |
Kosanke,R.M. The characteristic plant microfossils of the Pittsburgh and Pomeroy Coals of Ohio. |
1943 |
| details |
Nd |
|
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Desmoinesian |
Virgilian |
Illinois |
Kosanke,R.M. Plant microfossils in correlation of Coal Beds. |
1947 |
| details |
Late Gondwana |
|
Australia(Victoria) |
Pant,D.D. On the occurrence of Pityosporites sewardii, in a Lower Gondwana Tillite from Australia and its possible relationships with Glossopteris |
1949 |
| details |
Triassic |
|
India(Punjab) |
Pant,D.D. Triassic plant remains from the Salt Range in the Punjab. |
1949 |
| details |
Gondwana |
|
India |
Sen,J. Some aspects of palynological research in India. |
1951 |
| details |
Kungurian |
|
USSR(Urals) |
Samoilovich,S.R. Pollen and spores of Permian deposits of Cherdyn and Aktyubinsk in the Lower Urals. (In: Palaeobotanical Symposium) |
1953 |
| details |
Early Gondwana |
|
India(Bihar) |
Sen,J. Principles and problems of microflora correlations of Indian Coal Seams with special reference to Karharbari Coalfield. |
1953 |
| details |
Recent |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Late Devonian |
|
Canada(Alberta) |
Radforth,N.W. et al. Some plant microfossils important to Pre-Carboniferous stratigraphy and contributing to our knowledge of the Early Floas. |
1954 |
| details |
Middle Devonian |
|
Canada(Gaspe Area) |
Radforth,N.W. et al. Some plant microfossils important to Pre-Carboniferous stratigraphy and contributing to our knowledge of the Early Floas. |
1954 |
| details |
Aptian |
Middle Turonian |
Switzerland |
Potonie,R. et al. A few spore genera of the Alpine Salzgebirges. |
1954 |
| details |
Late Carboniferous |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Nd |
|
Nd |
Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains |
1954 |
| details |
Early Cretaceous |
|
Australia(W.Australia) |
Balme,B.E. Plant microfossils and the geological age of the Donnybrook Sandstone. |
1955 |
| details |
Stephanian |
Autunian |
Germany(Rhineland) |
Josten,K.H. The Coal in the Pfalz Mountains. |
1956 |