Trigonia sumiyagura Kobayashi & Kaseno
| 1975. | Trigonia sumiyagura Kobayashi & Kaseno Tamura, M. 1975e pl. J-11, fig. 1a, b |
| 1975. | Trigonia sumiyagura Kobayashi & Kaseno Hayami, I. 1975 p. 102, pl. 5, fig. 2, text-fig. 1 |
| 1964. | Trigonia sumiyagura Kobayashi & Kaseno Shikama, T. 1964 p. 130, pl. 42, fig. 11 |
| 1959. | Trigonia sumiyagura Kobayashi & Kaseno Hayami, I. 1959c p. 65, pl. 5, fig. 21, text-fig. 1 |
| Condition: | Present |
| Taxonomy: | Mollusca: Bivalvia: Trigoniidae: |
| Geologic Time: | Mesozoic: |
| Hayami, I., 1959c: Bajocian pelecypods of the Aratozaki formation in northeast Japan. Studies on the Dogger pelecypods in Japan, 1. Japanese Journal of Geology and Geography, vol. 30, pp. 53–70, pl. 5. (Reference No. 0027) |
 PDF in prep. |
| Hayami, I., 1975: A systematic survey of the Mesozoic Bivalvia from Japan. The University Museum, The University of Tokyo, Bulletin, no. 10, pp. i–vi + 1–249, pls. 1–10. (Reference No. 0042) |
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| Shikama, T., 1964a: Index fossils of Japan., pp. 1–287, pls. 1–80. Asakura Shoten, Tokyo. (in Japanese) (Reference No. 0618) |
| Tamura, M., 1975e: Mesozoic molluscan fossils of Japan, 1 (Early and Middle Jurassic trigonioid bivalves). Atlas of Japanese fossils, no. 42-251, 4 pp., pl. J-11. Tsukiji Shokan Publishing Co., Ltd., Tokyo. (in Japanese) (Reference No. 0627) |
| Ichikawa, T., 1988, no. 15, p. 189. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 37. |
| Ichikawa, T., 1988, no. 15, p. 158. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 24. |
