Psophosphaera simplex
- Citations total:
- 3
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| details | Jurassic | Early Cretaceous | USSR | Naumova,S.N. Spores and pollen of coals of the USSR. | 1939 |
| details | Hettangian | Cenomanian | USSR(Ukrainian SSR) | Voronova,M.A. Palynological | 1964 |
| details | Albian | Cenomanian | USSR(Taymyr Nat.Okrug) | Kara-Murza,E.N. Palynological basis of stratigraphical subdivision of the Mesozoic deposits of the Khatanga Depression. | 1960 |