Helcioniscus pallidus Gould
| 1927. | Helcioniscus pallidus Gould |
| Condition: | Present |
| Taxonomy: | Mollusca: Gastropoda: Patellidae: |
| Geologic Time: | Cenozoic: |
| Yokoyama, M., 1927c: Fossil Mollusca from Kaga. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 4, pp. 165–182, pls. 47–49. (Reference No. 0490) |
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| Ichikawa, T., 1983, no. 9, p. 365. |
