| details |
Desmoinesian |
|
Oklahoma |
Hoffmeister,W.S. Fossil spores and pollen as indicators of Near-Shore environment. |
1950 |
| details |
Early Gondwana |
|
India(West Bengal) |
Ghosh,A.K. et al. A study of the microfossils and the correlation of some productive Coal Seams of the Raniganj Coalfield, Bengal, India. |
1948 |
| details |
Early Gondwana |
|
India(Bihar) |
Virkki,C. Spores from the Lower Gondwanas of India and Australia. |
1945 |
| details |
Early Gondwana |
|
India(Punjab) |
Virkki,C. Spores from the Lower Gondwanas of India and Australia. |
1945 |
| details |
Early Gondwana |
|
India(Madhya Pradesh) |
Virkki,C. Spores from the Lower Gondwanas of India and Australia. |
1945 |
| original |
Early Permian |
|
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| original |
Late Carboniferous |
|
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| original |
Nd |
|
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Jurassic |
|
India(Bihar) |
Rao,A.R. Jurassic spores and Sporangia from the Rajmahal Hills, Bihar. |
1943 |