Dactylioceras ( Dactylioceras ) helianthoides Yokoyama
1975. | Dactylioceras (Dactylioceras) helianthoides Yokoyama Paralectotype Hirano, H. 1975b pl. J-12, fig. 2 |
1971. | Dactylioceras (Dactylioceras) helianthoides Yokoyama Paralectotype Hirano, H. 1971 p. 104, pl. 14, fig. 8a, b |
1964. | Dactylioceras helianthoides Yokoyama Paralectotype Shikama, T. 1964 p. 152, pl. 53, fig. 18 |
1952. | Dactylioceras helianthoides Yokoyama Paralectotype Shikama, T. 1952 p. 116, pl. 20, fig. 7 |
1943. | Dactylioceras helianthoides Yokoyama Paralectotype Shikama, T. 1943 p. 183, pl. 20, fig. 7 |
1904. | Dactylioceras helianthoides Yokoyama Paralectotype Yokoyama, M. 1904b p. 16, pl. 4, fig. 4 |
Condition: | Present |
Taxonomy: | Mollusca: Cephalopoda: |
Geologic Time: | Mesozoic: |
Hirano, H., 1971: Biostratigraphic study of the Jurassic Toyora group. Part 1. Memoirs of the Faculty of Science, Kyushu University, Series D, vol. 21, no. 1, pp. 93–128, pls. 14–20. (Reference No. 0047) |
Hirano, H., 1975b: Ammonoid fossils of Japan, 5 (Jurassic ammonites, 11 — Toyora group, 5). Atlas of Japanese fossils, no. 48-305, 4 pp., pl. J-12. Tsukiji Shokan Publishing Co., Ltd., Tokyo. (in Japanese) (Reference No. 0525) |
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) |
Yokoyama, M., 1904b: Jurassic ammonites from Echizen and Nagato. Journal of the College of Science, Imperial University of Tokyo, vol. 19, art. 20, pp. 1–17, pls. 1–4. (Reference No. 0331) |
Ichikawa, T., 1988, no. 15, p. 23. |
Ichikawa, T. and Hayami, I., 1978, no. 2, p. 42. |
Ichikawa, T., 1988, no. 15, p. 166. |
Ichikawa, T., 1988, no. 15, p. 152. |
Ichikawa, T., 1988, no. 15, p. 142. |
Ichikawa, T. and Hayami, I., 1978, no. 2, p. 301. |