Geratrigonia hosourensis (Yokoyama)
| 1964. | Geratrigonia hosourensis (Yokoyama) Shikama, T. 1964 p. 130, pl. 42, fig. 13 |
| 1959. | Geratrigonia hosourensis (Yokoyama) Hayami, I. 1959a p. 72, pl. 7, fig. 8 |
| Condition: | Present |
| Taxonomy: | Mollusca: Bivalvia: Trigoniidae: |
| Geologic Time: | Mesozoic: |
| Hayami, I., 1959a: Pelecypods of the Mizunuma Jurassic in Miyagi Prefecture, with some stratigraphical remarks. Studies on the Liassic pelecypods in Japan, 10. Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 34, pp. 66–78, pl. 7. (Reference No. 0025) |
 PDF in prep. |
| Shikama, T., 1964a: Index fossils of Japan., pp. 1–287, pls. 1–80. Asakura Shoten, Tokyo. (in Japanese) (Reference No. 0618) |
| Ichikawa, T., 1988, no. 15, p. 158. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 23. |
