Epitonium ( Papyriscala ) yokoyamai Suzuki & Ichimura, 1936
| 1973. | Epitonium (Papyriscala) yokoyamai Suzuki & Ichimura, 1936 Lectotype Oyama, K. 1973 p. 29, pl. 6, fig. 23a, b |
| 1954. | Epitonium (Papyriscala) yokoyamai Suzuki & Ichimura Syntype Taki, I. & Oyama, K. 1954 pl. 44, fig. 2 |
| Condition: | Missing |
| Taxonomy: | Mollusca: Gastropoda: Epitoniidae: |
| Geologic Time: | Cenozoic: Pleistocene: |
| Horizon: | Tokyo Formation: |
| Locality: | Tokyo: Takanawa 2-chome, Minato-ku: Kuruma-cho: |
| 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) |
| 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) |
| Ichikawa, T., 1983, no. 9, p. 149. |
| Ichikawa, T., 1983, no. 9, p. 216. |
