original |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Polish Coal Basin. first Part. |
1934 |
original |
Eocene |
|
Venezuela |
Norem,W.L. Pollen, spores, and other organic microfossils from the Eocene of Venezuela. |
1955 |
original |
Late Neogene |
|
California |
Ingebrigtsen,D.M. Palynology and its application to the Pliocene series in the Los Angeles Basin. |
1957 |
original |
Visean |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
original |
Late Artinskian |
|
Congo |
Kar,R.K. et al. Palaeozoic sporae dispersae from Congo. 3. Layers of black shale of the Lukuga. |
1967 |