Ostrea cf. gigas Thunberg
| 1957. | Ostrea cf. gigas Thunberg Makiyama, J. 1957 pl. 15, fig. 1 |
| 1924. | Ostrea cf. gigas Thunberg Yokoyama, M. 1924b p. 20, pl. 5, fig. 1 |
| Condition: | Missing |
| Taxonomy: | Mollusca: Bivalvia: Ostreidae: |
| Geologic Time: | Cenozoic: |
| Makiyama, J., 1957: Matajiro Yokoyama's Tertiary fossils from various localities in Japan. Part 1. Palaeontological Society of Japan, Special Papers, no. 3, pp. 1–4, pls. 1–24. (Reference No. 0367) |
| Yokoyama, M., 1924b: Molluscan remains from the lowest part of the Jo-ban coal-field. Journal of the College of Science, Imperial University of Tokyo, vol. 45, art. 3, pp. 1–22, pls. 1–5. (Reference No. 0472) |
  |
| Ichikawa, T., 1983, no. 9, p. 41. |
| Ichikawa, T., 1983, no. 9, p. 303. |
