Helicopontosphaera kamptneri
- Citations total:
- 2
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| details | Miocene | Quaternary | Atlantic Ocean | Emiliani,C. et al. Neogene sedimentation on the Blake Plateau and the Emergence of the Central American Isthmus. | 1972 |
| details | Late Neogene | USA(Gulf of Mexico) | Shaffer,B.L. Electron-probe microanalysis of calcareous nannofossils. | 1973 |