Vallatisporites drybrookensis
- Citations total:
- 1
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| original | Strunian | Early Tournaisian | Canada(Saskatchewan) | Playford,G. et al. Miospores and organic-walled microphytoplankton of Devonian-Carboniferous boundary beds, (Bakken Formation), southern Saskatchewan: A systematic and stratigraphic appraisal. | 1993 |