Venericardia ( Cyclocardia ) ferruginea orbicularis Yokoyama
| 1957. | Venericardia (Cyclocardia) ferruginea orbicularis Yokoyama Holotype Makiyama, J. 1957 pl. 4, fig. 6 |
| 1923. | Venericardia ferruginea (Adams) var. orbicularis Yokoyama, 1923 Holotype Yokoyama, M. 1923a p. 5, pl. 1, fig. 6 |
| Condition: | Present |
| Taxonomy: | Mollusca: Bivalvia: Carditidae: |
| Geologic Time: | Cenozoic: Pliocene: |
| 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., 1923a: On some fossil shells from the island of Saishu in the strait of Tsushima. Journal of the College of Science, Imperial University of Tokyo, vol. 44, art. 7, pp. 1–9, pl. 1. (Reference No. 0467) |
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| Ichikawa, T., 1983, no. 9, p. 38. |
| Ichikawa, T., 1983, no. 9, p. 289. |
