Cryptonatica clausa (Broderip & Sowerby)
| 1996. | Cryptonatica clausa (Broderip & Sowerby) Nishinosono, S. 1996 p. 421, table 1 |
| Condition: | Present |
| Taxonomy: | Mollusca: Gastropoda: |
| Geologic Time: | Cenozoic: |
| Nishinosono, S., 1996: Larval paleoecology of the late Pleistocene naticid gastropod Cryptonatica with two protoconch types from the Oga peninsula, northern Japan. Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 182, pp. 419–431. (Reference No. 0745) |
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| Ito, Y. et al., 2008, no. 74, p. 35. |
