Retitricolporites pseudosphaericus
- Citations total:
- 2
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| original | Late Eocene | Nigeria | Jan du ChЄne,R.E. et al. Some new Eocene pollen of the Ogwashi-Asaba Formation, southeastern Nigeria. | 1978 | |
| details | Late Maestrichtian | Niger | Dikouma,M. et al. Biostratigraphy of some Maestrichtian and Paleocene Formations in the Iullemmeden (Southern Niger) | 1994 |