Voluta megaspira Sowerby
| 1925. | Voluta megaspira Sowerby |
| Condition: | Missing |
| Taxonomy: | Mollusca: Gastropoda: Volutidae: |
| Geologic Time: | Cenozoic: |
| Yokoyama, M., 1925a: Molluscan remains from the uppermost part of the Jo-ban coal-field. Journal of the College of Science, Imperial University of Tokyo, vol. 45, art. 5, pp. 1–34, pls. 1–6. (Reference No. 0473) |
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| Ichikawa, T., 1983, no. 9, p. 306. |
