Chlamys crassivenia Yokoyama
| 1960. | Chlamys crassivenia Yokoyama Holotype Makiyama, J. 1960 pl. 113, fig. 1 |
| 1929. | Pecten (Chlamys) crassivebius Yokoyama, 1929 Holotype Yokoyama, M. 1929c p. 6, pl. 6, fig. 1 |
| Condition: | Present |
| Taxonomy: | Mollusca: Bivalvia: Pectinidae: |
| Geologic Time: | Cenozoic: |
| Makiyama, J., 1960: Matajiro Yokoyama's Tertiary fossils from various localites in Japan. Part 4. Palaeontological Society of Japan, Special Papers, no. 6, pp. 1–15, pls. 87–119. (Reference No. 0575) |
| Yokoyama, M., 1929c: Pliocene shells from near Nanao, Noto. Imperial Geological Survey of Japan, Report, no. 104, pp. 1–7, pls. 1–6. (Reference No. 0640) |
| Ichikawa, T., 1988, no. 15, p. 93. |
| Ichikawa, T., 1988, no. 15, p. 198. |
