Costatheca dakotaensis
- Citations total:
- 3
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| details | Late Cretaceous | Canada(Arctic) | Sweet,A.R. Jurassic and Cretaceous megaspores. | 1979 | |
| details | Cenomanian | France(Dordogne) | Colin,J.P. Some Cenomanian and Upper Turonian megaspores from Sarladias (Dordogne, southwest France). | 1975 | |
| details | Campanian | Maastrichtian | Canada(Alberta) | Gunther,P.R. et al. Megaspores and other palynomorphs of the Brazeau Formation (Upper Cretaceous) Nordegg area, Alberta, Canada. | 1972 |