Pterospermopsis ovatus
- Citations total:
- 2
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| original | Campanian | Maastrichtian | Senegal | Jain,K.P. et al. Cretaceous microplankton from Senegal Basin, West Africa. Part 2. Systematics and biostratigraphy. | 1975 |
| details | Campanian | Maastrichtian | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |