Astryclypeus manni ambigenus Nisiyama
| 1952. | Astryclypeus manni ambigenus Nisiyama Shikama, T. 1952 p. 158, pl. 41, fig. 2 |
| 1943. | Astryclypeus manni ambigenus Nisiyama Shikama, T. 1943 p. 247, pl. 41, fig. 2 |
| 1903. | Astriclypeus integer Yoshiwara Syntype Tokunaga, S. 1903 p. 15, pl. 1, fig. 3 |
| Condition: | Missing |
| Taxonomy: | Echinodermata: |
| Geologic Time: | Cenozoic: |
| 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) |
| Tokunaga, S., 1903: On the fossil echinoids of Japan. Journal of the College of Science, Imperial University of Tokyo, vol. 17, art. 12, pp. 1–27, pls. 1–4. (Reference No. 0442) |
 |
| Ichikawa, T., 1988, no. 15, p. 154. |
| Ichikawa, T., 1988, no. 15, p. 144. |
| Ichikawa, T., 1983, no. 9, p. 221. |
