| original |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Polish Coal Basin. first Part. |
1934 |
| original |
Dinantian |
Namurian A |
Poland |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| 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 |