Eupachydiscus haradai (Jimbo)
| 1954. | Eupachydiscus haradai (Jimbo) Matsumoto, T. 1954a [for 1953] p. 281 PreviousNo: I-530 |
| 1952. | Parapachydiscus (Anapachydiscus) naumanni (Yokoyama) Shikama, T. 1952 p. 134, pl. 29, fig. 2 |
| 1943. | Parapachydiscus (Neopachydiscus) naumanni (Yokoyama) Shikama, T. 1943 p. 209, pl. 29, fig. 2 |
| 1934. | Neopachydiscus naumanni Yokoyama Kawada, M. in Kawasaki, M. 1934 pl. 11, fig. 23 PreviousNo: I-530 |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: |
| Geologic Time: | Mesozoic: |
| Kawada, M. in Kawasaki, M., 1934: Report of the Naibuchi coal field. Karafuto [Sakhalin] Coal Field Geological Report, no. 1, pp. 1–64, pls. 1–12. Karafuto-cho. (in Japanese) (Reference No. 0066) |
| Matsumoto, T., 1954a [for 1953]: The Cretaceous system in the Japanese islands., pp. i–xiv + 1–324, pls. 1–20. The Japanese Society for the Promotion of Scientific Research, Ueno, Tokyo. (Reference No. 0219) |
| 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) |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 213. |
| Ichikawa, T., 1988, no. 15, p. 153. |
| Ichikawa, T., 1988, no. 15, p. 143. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 55. |
