UMUT MM07176: Isognomon rikuzenicus (Yokoyama): Holotype - UMUT Paleontology Collections - University Museum, University of Tokyo, Japan

Citation
1975.	Isognomon rikuzenicus (Yokoyama) Holotype Tamura, M. 1975b pl. J-8, fig. 7
1957.	Isognomon rikuzenicus (Yokoyama) Holotype Hayami, I. 1957b p. 99, pl. 7, fig. 4
1952.	Isognomon rikuzenica Yokoyama Holotype Shikama, T. 1952 p. 114, pl. 19, fig. 16
1943.	Perna rikuzenica Yokoyama Holotype Shikama, T. 1943 p. 180, pl. 19, fig. 16
1904.	Perna rikuzenica Yokoyama Holotype Yokoyama, M. 1904a p. 13, pl. 1, fig. 1a, b

Condition:	Present
Taxonomy:	Mollusca: Bivalvia: Isognomonidae:
Geologic Time:	Mesozoic:

Reference

Hayami, I., 1957b: Liassic Gervillia and Isognomon in Japan. Studies on the Liassic pelecypods in Japan, 2. Japanese Journal of Geology and Geography, vol. 28, nos. 1–3, pp. 95–106, pls. 6–7. (Reference No. 0016)
PDF in prep.

Shikama, T., 1943: A handbook of illustrated fossils from Japanese and their adjacent territories., pp. 1–279, 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)


Tamura, M., 1975b: Mesozoic molluscan fossils of Japan, 1 (Jurassic bivalves from northeastern Japan). Atlas of Japanese fossils, no. 42-248, 4 pp., pl. J-8. Tsukiji Shokan Publishing Co., Ltd., Tokyo. (in Japanese) (Reference No. 0624)


Yokoyama, M., 1904a: On some Jurassic fossils from Rikuzen. Journal of the College of Science, Imperial University of Tokyo, vol. 18, art. 6, pp. 1–13, pls. 1–2. (Reference No. 0330)

UMUT MM 07176