Singhia
- Citations total:
- 3
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| original | Cenomanian | Turonian | Namibia | Srivastava,S.K. Ephedralean pollen from the Upper Cretaceous Edmonton Formation of Alberta, (Canada), and their paleoecological significance. | 1968 |
| details | Nd | Nd | Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). | 1970 | |
| details | Maastrichtian | Canada(Alberta) | Srivastava,S.K. Cretaceous spore-pollen floras | 1978 |