Cardium tristiculum Yokoyama
| 1931. | Cardium tristiculum Yokoyama |
| Condition: | Missing |
| Taxonomy: | Mollusca: Bivalvia: Cardiidae: |
| Geologic Time: | Cenozoic: |
| Yokoyama, M., 1931a: Neogene shells from Karafto and the Hokkaido. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 3, pt. 4, pp. 185–196, pl. 11. (Reference No. 0501) |
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| Ichikawa, T., 1983, no. 9, p. 385. |
