Helcioniscus pallidus (Gould)
1925. | Helcioniscus pallidus (Gould) |
Condition: | Present |
Taxonomy: | Mollusca: Gastropoda: Patellidae: |
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) |
Ichikawa, T., 1983, no. 9, p. 307. |