Trachycardium shiobarense (Yokoyama)
| 1958. | Trachycardium shiobarense (Yokoyama) Syntype Makiyama, J. 1958 pl. 38, fig. 4 |
| 1926. | Cardium shiobarense Yokoyama, 1926 Syntype Yokoyama, M. 1926b p. 134, pl. 20, fig. 4 |
| Condition: | Present |
| Taxonomy: | Mollusca: Bivalvia: Cardiidae: |
| Geologic Time: | Cenozoic: Miocene: |
| Makiyama, J., 1958: Matajiro Yokoyama's Tertiary fossils from various localities in Japan. Part 2. Palaeontological Society of Japan, Special Papers, no. 4, pp. 1–6, pls. 25–57. (Reference No. 0368) |
| Yokoyama, M., 1926b: Tertiary Mollusca from Shiobara in Shimotsuke. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 1, pt. 4, pp. 127–138, pls. 16–20. (Reference No. 0479) |
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| Ichikawa, T., 1983, no. 9, p. 49. |
| Ichikawa, T., 1983, no. 9, p. 319. |
