Trachycardium shiobarensis (Yokoyama)
| 1964. | Trachycardium shiobarensis (Yokoyama) Shikama, T. 1964 p. 138, pl. 46, fig. 7 |
| 1959. | Trachycardium shiobarense (Yokoyama) Makiyama, J. 1959 pl. 81, fig. 1a, b |
| 1931. | Cardium shiobarense Yokoyama Yokoyama, M. 1931b p. 202, pl. 12, fig. 1a, b |
| Condition: | Missing |
| Taxonomy: | Mollusca: Bivalvia: Cardiidae: |
| Geologic Time: | Cenozoic: |
| Makiyama, J., 1959: Matajiro Yokoyama's Tertiary fossils from various localities in Japan. Part 3. Palaeontological Society of Japan, Special Papers, no. 5, pp. 1–4, pls. 58–86. (Reference No. 0369) |
| Shikama, T., 1964a: Index fossils of Japan., pp. 1–287, pls. 1–80. Asakura Shoten, Tokyo. (in Japanese) (Reference No. 0618) |
| Yokoyama, M., 1931b: Tertiary Mollusca from Iwaki. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 3, pt. 4, pp. 197–204, pls. 12–13. (Reference No. 0502) |
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| Ichikawa, T., 1988, no. 15, p. 176. |
| Ichikawa, T., 1983, no. 9, p. 62. |
| Ichikawa, T., 1983, no. 9, p. 387. |
