| details |
Late Carboniferous |
|
Netherlands |
Dijkstra,S.J. Carboniferous megaspores and their practical importance in Mining. |
1957 |
| details |
Early Carboniferous |
|
Brazil(Piaui) |
Dolianiti,E. Relationships between the Paleozoic floras of Brazil. |
1972 |
| details |
Namurian B |
|
Poland |
Kmiecik,H. et al. Application of statistics in the microfloral-Petrographic analysis used in the study of Coal-Seam genesis. |
1974 |
| details |
Pennsylvanian |
|
Gondwanaland |
Shearer,J.C. et al. Delineation of distinctive nature of Tertiary coal beds. |
1995 |
| details |
Pennsylvanian |
|
Europe |
Shearer,J.C. et al. Delineation of distinctive nature of Tertiary coal beds. |
1995 |
| details |
Stephanian |
|
France |
Pi©rart,P. Megaspores of the French Stephanian |
1965 |
| details |
Nd |
|
Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Late Devonian |
|
China(Hupei) |
Li,C.-S. et al. Frasnian (Upper Devonian) evidence for multiple origins of seed like structures. |
1997 |
| details |
Nd |
|
Nd |
Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains |
1954 |
| details |
Nd |
|
Nd |
Scott,A.C. et al. Paleozoic spores and pollen. Chapter 18G Palaeozoic megaspores. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Carboniferous |
|
Nd |
Chaloner,W.G. et al. Heterospory: Cul-de-Sac or pathway to the seed? (In: Pollen and Spores, Patterns of Diversification. S.Blackmore and S.H.Barnes, editors) |
1991 |