Cyclammina
- Citations total:
- 2
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| details | Oligocene | Japan(Hokkaido I.) | Kurita,H. et al. Dinoflagellate cyst biostratigraphy and age of the Oligocene Momijiyama Formation, Yubari Coal-Field, Central Hokkaido, Japa | 1998 | |
| details | Early Eocene | Australia(Victoria) | Baker,G. et al. Age of Nelson Bore sediments | 1955 |