Crassosphaera papillata
- Citations total:
- 2
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| original | Middle Albian | Canada(Alberta) | Singh,C. Lower Cretaceous microfloras of the Peace River area, Northwestern Canada, (Alberta). | 1971 | |
| details | Early Cenomanian | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |