Epitonium ( Cinctiscala ) yamakawai (Yokoyama, 1922)
| 1973. | Epitonium (Cinctiscala) yamakawai (Yokoyama, 1922) Holotype Oyama, K. 1973 p. 29, pl. 6, fig. 18a, b |
| 1964. | Epitonium (Cinctiscala) yamakawai (Yokoyama) Syntype Shikama, T. 1964 p. 104, pl. 29, fig. 22a, b |
| 1954. | Epitonium (Cinctiscala) yamakawai (Yokoyama, 1922) Holotype Taki, I. & Oyama, K. 1954 pl. 24, fig. 17 |
| 1952. | Epitonium yamakawai (Yokoyama) Syntype Shikama, T. 1952 p. 164, pl. 44, fig. 2a, b |
| 1943. | Scalaria yamakawai Yokoyama Syntype Shikama, T. 1943 p. 255, pl. 44, fig. 2a, b |
| 1922. | Scalaria yamakawai Yokoyama, 1922 Syntype Yokoyama, M. 1922a p. 87, pl. 4, fig. 17 |
| Condition: | Present |
| Taxonomy: | Mollusca: Gastropoda: Epitoniidae: |
| Geologic Time: | Cenozoic: Pleistocene: |
| Horizon: | Imba Group: |
| Locality: | Chiba: Narita: Otake: |
| Oyama, K., 1973: Revision of Matajiro Yokoyama's type Mollusca from the Tertiary and Quaternary of the Kanto area. Palaeontological Society of Japan, Special Papers, no. 17, pp. 1–148, pls. 1–57. (Reference No. 0411) |
| Shikama, T., 1943: A handbook of illustrated fossils from Japanese and their adjacent territories., pp. 1–282, 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) |
| Taki, I. and Oyama, K., 1954: Matajiro Yokoyama's the Pliocene and later faunas from the Kwanto region in Japan. Palaeontological Society of Japan, Special Papers, no. 2, pp. 1–68, pls. 1–49. (Reference No. 0441) |
| Yokoyama, M., 1922a: Fossils from the upper Musashino of Kazusa and Shimosa. Journal of the College of Science, Imperial University of Tokyo, vol. 44, art. 1, pp. 1–200 + i–viii, pls. 1–17. (Reference No. 0465) |
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| Ichikawa, T., 1983, no. 9, p. 135. |
| Ichikawa, T., 1988, no. 15, p. 172. |
| Ichikawa, T., 1983, no. 9, p. 203. |
| Ichikawa, T., 1988, no. 15, p. 154. |
| Ichikawa, T., 1988, no. 15, p. 145. |
| Ichikawa, T., 1983, no. 9, p. 272. |
