| original |
Carboniferous |
|
Michigan |
Bartlett,H.H. Fossils of the Carboniferous Coal Pebbles of the Glacial Drift at Ann Arbor. |
1928 |
| details |
Dinantian |
Namurian B |
Poland |
Zoldani,Z. Megaspores from the north-eastern part of the Upper Silesian Coal Basin. (In: Contributions to the Geology of the Silesian and Cracovian Regions.) |
1960 |
| details |
Carboniferous |
|
Michigan |
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 |
|
Poland |
Zerndt,J. Megaspores from the Polish Coal Basin. first Part. |
1934 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores of the Polish Coal Basin. Part 2. the Marginal Group. |
1937 |
| details |
Namurian C |
Danian |
Poland |
Karczewska,J. Megaspores of the Turma Zonales from the Carboniferous of Poland, (northern Poland). Part 1 |
1975 |
| details |
Westphalian A |
Stephanian |
Europe |
DybovЎ-Jachowiczowa,S. et al. Revision of the Carboniferous megaspores with Corona. |
1977 |
| details |
Westphalian A |
Stephanian |
Europe |
DybovЎ-Jachowiczowa,S. et al. Revision of the Carboniferous megaspores with Corona. |
1977 |
| details |
Namurian |
|
Turkey |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Namurian A |
Namurian B |
Poland |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Westphalian B |
|
Belgium |
Dijkstra,S.J. Correlation of Coal Seams by megaspores |
1955 |
| details |
Westphalian B |
|
Netherlands |
Dijkstra,S.J. Correlation of Coal Seams by megaspores |
1955 |
| details |
Nd |
|
Belgium |
Pi©rart,P. Synopsis of megaspores of the Belgian Westphalian |
1963 |
| details |
Carboniferous |
|
Michigan |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
| details |
Late Carboniferous |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Carboniferous |
|
Michigan |
Arnold,C.A. An Introduction to Paleobotany. |
1947 |
| details |
Westphalian D |
|
England(Gloucestershire) |
Spinner,E. Westphalian D megaspores from the Forest of Dean Coalfield, England. |
1965 |