Cardium angustum Yokoyama, 1925
| 1925. | Cardium angustum Yokoyama, 1925 Syntype |
| Condition: | Missing |
| Taxonomy: | Mollusca: Bivalvia: Cardiidae: |
| Geologic Time: | Cenozoic: |
| Yokoyama, M., 1925c: Tertiary Mollusca from Shinano and Echigo. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 1, pt. 1, pp. 1–23, pls. 1–7. (Reference No. 0475) |
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| Ichikawa, T., 1983, no. 9, p. 315. |
