Primitivipollis sp
- Citations total:
- 2
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| details | Middle Campanian | Maastrichtian | Alaska | Frederiksen,N.O. Changes in floral diversities, flora turnover rates, and climates in Campanian and Maestrichtian time, North Slope of Alaska | 1989 |
| details | Maestrichtian | USSR(Kazakh SSR) | Kruchinina,N.V. et al. Palynostratigraphyof Cretaceous deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) | 1990 |