| details |
Early Gondwana |
|
India(Bihar) |
Srivastava,P.N. Studies in the Glossopteris flora of India I. Some new fossil plants from the Lower Gondwana of the Raniganj Coalfield Inda. |
1954 |
| original |
Early Gondwana |
|
India |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| original |
Late Triassic |
Early Jurassic |
USSR(WSL) |
Malyavkina,V.S. Spores and pollen from Triassic deposits of the West Siberian Lowland. |
1964 |
| details |
Paleozoic |
|
Nd |
Brush,G.S. et al. The natural relationships of some Carboniferous microspores |
1965 |
| details |
Carboniferous |
|
USA |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |