MM 07074 - Detail - UMUT Paleontology Collections - University Museum, University of Tokyo, Japan

Citation
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

Reference

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)

UMUT MM 07074