| details |
Nd |
|
Nd |
Spinner,E. Contribution on the megaspore genus Tuberculatisporites (Ibrahim)Potonie and Kremp,1954. |
1968 |
| details |
Early Pennsylvanian |
|
Michigan |
Arnold,C.A. Megaspores from the Michigan Coal Basin. |
1950 |
| details |
Carboniferous |
|
Michigan |
Arnold,C.A. An Introduction to Paleobotany. |
1947 |
| 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 |
| original |
Carboniferous |
|
Michigan |
Bartlett,H.H. Fossils of the Carboniferous Coal Pebbles of the Glacial Drift at Ann Arbor. |
1928 |
| details |
Nd |
|
Nd |
Loboziak,S. The micro and megaspores of the western part of the northern Coal Basin of France. |
1971 |
| details |
Late Westphalian C |
|
Belgium |
Pi©rart,P. Preliminary note on the megaspores of the Upper Westphalian C in the Belgian Campine. |
1957 |
| details |
Carboniferous |
|
W.Germany(Saarland) |
Sen,J. Notes on the megaspores from the Goldenberg Col Lection of the Swedish Museum of natural history |
1957 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Westphalian |
|
Turkey |
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 |
Carboniferous |
|
Michigan |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
| details |
Late Pottsville |
Early Allegheny |
Michigan |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Early Pennsylvanian |
Middle Pennsylvanian |
Illinois |
Winslow,M.R. Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois. |
1959 |
| details |
Visean |
Moscovian |
USSR(Ukrainian SSR) |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
| details |
Carboniferous |
Permian |
Czechoslovakia |
KalibovЎ-KaiserovЎ,M. Note on palynological research in the Permo-Carboniferous Basins of Bohemia. |
1955 |