Yoldia gratiosa Yokoyama
| 1926. | Yoldia gratiosa Yokoyama |
| Condition: | Missing |
| Taxonomy: | Mollusca: Bivalvia: Yoldiidae: |
| Geologic Time: | Cenozoic: |
| Yokoyama, M., 1926d: Neogene shells from Kozuke and other provinces. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 1, pt. 7, pp. 229–233, pl. 29. (Reference No. 0481) |
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| Ichikawa, T., 1983, no. 9, p. 324. |
