Pontosphaera bigelowi
- Citations total:
- 2
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| details | Nd | Nd | Klumpp,B. Contribution to the knowledge of microfossils of the Middle and Upper Eocene | 1953 | |
| details | Nd | Nd | Weiler,H. A find of dinoflagellates, coccoliths and hystrichospheres in the Tertiary of the Rhine Basin. | 1956 |