| details |
Carboniferous |
|
Nd |
Guennel,G.K. Systematic methods for Paleozoic plant microfossils. |
1956 |
| details |
Carboniferous |
|
Scotland |
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 |
|
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 |
Cenomanian |
|
Russia(Siberia) |
Krassilov,V.A. et al. A new Heterosporous plant from the Cretaceous of West Siberia. |
1999 |
| details |
Cenomanian |
|
Russia(Siberia) |
Krassilov,V.A. et al. A new Heterosporous plant from the Cretaceous of West Siberia. |
1999 |
| details |
Desmoinesian |
|
Illinois |
Schopf,J.M. Spores from the Herrin (No. 6) Coal Bed in Illinois. |
1938 |
| details |
Desmoinesian |
|
Illinois |
Schopf,J.M. Spores characteristic of Illinois Coal No. 6. |
1935 |
| details |
Early Carboniferous |
Middle Carboniferous |
USSR(Ukrainian SSR) |
Ishchenko,A.M. et al. Megaspores in the Lower and Middle Carboniferous of the Donets Basin. (In: Geology and Coal Formation and stratigraphy of the Carboniferous of the USSR) |
1964 |
| details |
Early Carboniferous |
|
South Africa |
Potonie,R. Synopsis of the genera of the sporae dispersae.Part 7 |
1975 |
| details |
Early Cretaceous |
|
Nd |
Hughes,N.F. et al. Freshwater to marine time-correlation potential of Cretaceous and Tertiary palynomorphs. |
1972 |
| details |
Early Gondwana |
|
Argentina(La Rioja) |
Spinner,E. Preliminary study of the megaspores from the Tupe Formation, Quebrada del Tupe, La Rioja, Argentina. |
1969 |
| details |
Frasnian |
|
Canada |
Maihle,N.J. et al. A morphological and ultrastructural study of four Devonian megaspores |
1979 |
| details |
Frasnian |
Famennian |
Nd |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Frasnian |
Famennian |
Nd |
Chaloner,W.G. Spores and Land-Plant evolution. |
1967 |
| details |
Frasnian |
Tournaisian |
Wales |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Frasnian |
Tournaisian |
Scotland |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |