| original |
Late Rhaetian |
Early Liassic |
Greenland |
Harris,T.M. The fossil flora of Scoresby Sound, east Greenland. Part 4. Ginkgoales, Coniferales, Lycopodiales and isolated fructifications. |
1935 |
| original |
Carboniferous |
|
Poland |
Zerndt,J. The Suitableness of megaspores as guide fossils. |
1938 |
| original |
Westphalian |
|
W.Germany |
Zerndt,J. The Suitableness of megaspores as guide fossils. |
1938 |
| original |
Early Permian |
|
India(Orissa) |
Srivastava,S.C. A palyno-Petrological study of some Barakar Coals of India |
1967 |
| original |
Late Rhaetian |
|
Denmark |
Bertelsen,F. et al. Megaspores and Ostracods from the Rhaeto-Liassic section in the Boring Rodby No 1, Southern Denmark |
1970 |
| original |
Turonian |
|
India(Assam) |
Kar,R.K. et al. Palynology of the Cretaceous sediments of Meghalaya, India. |
1986 |
| original |
Mississippian |
|
North Dakota |
Luther,M.R. et al. Environmental significance of a megaspore flora from the Mission Canyon Formation (Mississippian) Abottineau County North Dakota. (In: Fifth International Williston Basin Symposium) |
1987 |