| details |
Stephanian |
|
France |
Pi©rart,P. Megaspores of the French Stephanian |
1965 |
| details |
Famennian |
|
Nd |
Pettitt,J.M. Heterospory and the Rise of the seed Habit. |
1969 |
| details |
Tournaisian |
|
Nd |
Pettitt,J.M. Heterospory and the Rise of the seed Habit. |
1969 |
| details |
Nd |
|
Nd |
Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains |
1954 |
| details |
Carboniferous |
|
Europe |
Oshurkova,M.V. The classification of Carboniferous megaspores. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| details |
Carboniferous |
|
North America |
Oshurkova,M.V. The classification of Carboniferous megaspores. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| details |
Carboniferous |
|
Illinois |
Oshurkova,M.V. The classification of Carboniferous megaspores. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| details |
Nd |
|
Nd |
Loboziak,S. The micro and megaspores of the western part of the Bassin Houiller of northern France, stratigraphic applicationsin the study of several boreholes. |
1969 |
| details |
Nd |
|
Nd |
Loboziak,S. The micro and megaspores of the western part of the northern Coal Basin of France. |
1971 |
| details |
Late Devonian |
|
China(Hupei) |
Li,C.-S. et al. Frasnian (Upper Devonian) evidence for multiple origins of seed like structures. |
1997 |
| details |
Stephanian A |
|
France(Lorraine) |
Lachkar,G. et al. Distribution of megaspores in the Westphalian D and Lower Stephanian of the Coal Basin of Lorraine |
1965 |
| 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 |
Frasnian |
Famennian |
Nd |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Nd |
|
Nd |
Jansonius,J. Spore nomenclature and the proposals of the Lille palynologists. |
1968 |
| details |
Early Permian |
|
Australia(S.Australia) |
Harris,W.K. The occurrence and identification of megaspores in Permian sediments, South Australia. |
1969 |
| details |
Westphalian B |
Westphalian C |
W.Germany(N.Rhine) |
Grebe,H. The spore flora of the Seams Agir, Erda and Hagen 2 (Zb), from the Drillings Prosper 4 and 5. |
1966 |
| details |
Pennsylvanian |
|
Pennsylvania |
Ferm,J.C. Megaspores of the Middle (?) Kittanning Coal in Beaver County, Pennsylvania. |
1950 |