Retistephanocolporites
- Citations total:
- 2
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| original | Oligocene | Early Miocene | British Guiana | Hammen,T.Van Der et al. A palynological study on the Tertiary and Upper Cretaceous of British Guiana. | 1964 |
| details | Nd | Nd | Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). | 1970 |