| details |
Eocene |
Late Neogene |
Mexico |
Sanders,J.M. The microscopical examination of crude petroleum. |
1937 |
| details |
Cretaceous |
|
Mexico |
Sanders,J.M. The microscopical examination of crude petroleum. |
1937 |
| details |
Miocene |
|
Romania |
Sanders,J.M. The microscopical examination of crude petroleum. |
1937 |
| details |
Pottsville |
|
Michigan |
Bergquist,S.G. The occurrence of spore Coal in the Williamston Basin, Michigan. |
1939 |
| details |
Devonian |
|
USSR |
Kr¤usel,R. Once Again Devonian spores and Hystrichospheres |
1940 |
| details |
Late Carboniferous |
Permian |
Australia(Victoria) |
Virkki,C. Spores from the Lower Gondwanas of India and Australia. |
1945 |
| details |
Late Carboniferous |
Permian |
Australia(NSW) |
Virkki,C. Spores from the Lower Gondwanas of India and Australia. |
1945 |
| details |
Early Gondwana |
|
India(Bihar) |
Virkki,C. Spores from the Lower Gondwanas of India and Australia. |
1945 |
| details |
Tertiary |
|
India(Punjab) |
Ghosh,A.G. et al. Occurrence of microflora in the Salt Pseudomorph Beds, Salt Range, Punjab. |
1947 |
| details |
Early Cretaceous |
|
Germany |
Hiltermann,H. Findings of Amberlike Resin in the Lower Northwestern Germany |
1949 |
| details |
Nd |
|
Nd |
Cross,A.T. Plant microfossils and the application of their study to Coal stratigraphy. |
1950 |
| details |
Gondwana |
|
Australia(Victoria) |
Pant,D.D. On the occurrence of Pityosporites Seward, in the Lower Gondwana Tillite from Australia and its possible relationship with Glossopteris. |
1950 |
| details |
Cretaceous |
|
India(Rajasthan) |
Bose,M.N. Angiospermic remains from the Barmer Sandstones and associated Clays in Rajasthan. |
1950 |
| details |
Cretaceous |
|
India(Rajasthan) |
Bose,M.N. Angiospermic remains from the Barmer Sandstones and associated Clays in Rajasthan. |
1950 |
| details |
Middle Cambrian |
Late Cambrian |
India(Jammu & Kashmir) |
Ghosh,A.K. et al. Spores and Tracheids from the Cambrian of Kashmir. |
1952 |
| details |
Tertiary |
|
India(Punjab) |
Singh,P. Microfossils from an oil shale of Saline Series in the Fatehpur Maira Gorge, Salt Range, Punjab. |
1952 |
| details |
Eocene |
|
California |
Norem,W.L. Tertiary spores and pollen related to paleoecology and stratigraphy of California. |
1955 |