Vaugonia ( Hijitrigonia ) kojiwa Kobayashi & Mori
| 1955. | Vaugonia (Hijitrigonia) kojiwa Kobayashi & Mori Paratype Kobayashi, T. & Mori, K. 1955 p. 85, pl. 4, fig. 3 |
| Condition: | Present |
| Taxonomy: | Mollusca: Bivalvia: Trigoniidae: |
| Geologic Time: | Mesozoic: |
| Kobayashi, T. and Mori, K., 1955: The Vaugoniinae from the Kitakami mountains in north Japan. On the Jurassic trigonians in Japan, Part 3. Japanese Journal of Geology and Geography, vol. 26, nos. 1–2, pp. 73–88, pls. 3–4. (Reference No. 0201) |
 PDF in prep. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 195. |
