Geratrigonia hosourensis (Yokoyama)
| 1964. | Geratrigonia hosourensis (Yokoyama) Holotype Shikama, T. 1964 p. 130, pl. 42, fig. 12 |
| 1954. | Geratrigonia hosourensis (Yokoyama) var. convexa Kobayashi Holotype Kobayashi, T. & Mori, K. 1954 p. 172, pl. 16, fig. 9a, b |
| Condition: | Present |
| Preservation: | Replica |
| Taxonomy: | Mollusca: Bivalvia: Trigoniidae: |
| Geologic Time: | Mesozoic: |
| Kobayashi, T. and Mori, K., 1954: Studies on the Jurassic trigonians in Japan, Part 2. Prosogyrotrigonia and the Trigoniinae. Japanese Journal of Geology and Geography, vol. 25, nos. 3–4, pp. 155–175, pls. 15–16. (Reference No. 0200) |
 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. 161. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 193. |
