Echistephanoporites
- Citations total:
- 2
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| original | Paleocene | Early Eocene | British Guiana | Leidelmeyer,P. The Paleocene and Lower Eocene pollen flora of Guyana. | 1966 |
| details | Nd | Nd | Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). | 1970 |