Tricolporate sp.A Piel,1971
- Citations total:
- 2
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| original | Early Oligocene | Canada(British Columbia) | Piel,K.M. Palynology of Oligocene sediments from Central British Columbia | 1971 | |
| original | Middle Eocene | Late Eocene | Canada(Yukon) | Ridgway,K.D. et al. Climatically induced floristic changes across the Eocene - Oligocene transition in the northern high latitudes, Yukon Territory, Canada. | 1995 |