| details |
Triassic |
|
USSR(WSL) |
Bogatikova,V.K. et al. On the stratigraphic scheme of Meso-Cenozoic deposits of the western part of the West Siberian Plain. |
1957 |
| details |
Jurassic |
|
Ceylon |
Sah,S.C.D. Spores and other micro-remains from a Carbonaceous shale (Jurassic) in Andigama, Ceylon. |
1953 |
| details |
Jurassic |
|
Ceylon |
Sah,S.C.D. Spores and other micro-remains from a Carbonaceous shale (Jurassic) in Andigama, Ceylon. |
1953 |
| details |
Jurassic |
|
Ceylon |
Sah,S.C.D. Spores and other micro-remains from a Carbonaceous shale (Jurassic) in Andigama, Ceylon. |
1953 |