Venericardia ( Cyclocardia ) siogamensis Nomura
| 1964. | Venericardia (Cyclocardia) siogamensis Nomura Shikama, T. 1964 p. 134, pl. 44, fig. 19 |
| 1957. | Cyclocardia siogamensis (Nomura) Makiyama, J. 1957 pl. 20, fig. 4 |
| 1952. | Venericardia (Cardites) ferruginea (A. Adams & Reeve) Shikama, T. 1952 p. 150, pl. 37, fig. 5 |
| 1943. | Venericardia (Cardites) ferruginea (A. Adams & Reeve) Shikama, T. 1943 p. 234, pl. 37, fig. 5 |
| 1925. | Venericardia ferruginea (Adams) Yokoyama, M. 1925a p. 24, pl. 5, fig. 4 |
| Condition: | Missing |
| Taxonomy: | Mollusca: Bivalvia: Carditidae: |
| 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) |
| Shikama, T., 1943: A handbook of illustrated fossils from Japanese and their adjacent territories., pp. 1–279, pls. 1–46. Nippon Koubutu Syumi-no-kai, Kyoto. (in Japanese) (Reference No. 0616) |
| Shikama, T., 1952: A handbook of illustrated fossils from Japanese and their adjacent territories., pp. 1–376, pls. 1–57. Nippon Koubutu Syumi-no-kai, Kyoto. (in Japanese) (Reference No. 0617) |
| Shikama, T., 1964a: Index fossils of Japan., pp. 1–287, pls. 1–80. Asakura Shoten, Tokyo. (in Japanese) (Reference No. 0618) |
| Yokoyama, M., 1925a: Molluscan remains from the uppermost part of the Jo-ban coal-field. Journal of the College of Science, Imperial University of Tokyo, vol. 45, art. 5, pp. 1–34, pls. 1–6. (Reference No. 0473) |
  |
| Ichikawa, T., 1988, no. 15, p. 174. |
| Ichikawa, T., 1983, no. 9, p. 43. |
| Ichikawa, T., 1988, no. 15, p. 156. |
| Ichikawa, T., 1988, no. 15, p. 146. |
| Ichikawa, T., 1983, no. 9, p. 305. |
