Yokoyamaina elliptica (Yokoyama)
| 1958. | Yokoyamaina elliptica (Yokoyama) Holotype Hayami, I. 1958b p. 24, pl. 3, fig. 11 |
| 1904. | Cyrena elliptica Yokoyama Holotype Yokoyama, M. 1904a p. 11, pl. 1, fig. 4a, b |
| Condition: | Present |
| Taxonomy: | Mollusca: Bivalvia: Cardiidae: |
| Geologic Time: | Mesozoic: |
| Hayami, I., 1958b: A review of the so-called Liassic "cyrenoids" in Japan. Studies on the Liassic pelecypods in Japan, 7. Japanese Journal of Geology and Geography, vol. 29, nos. 1–3, pp. 11–27, pls. 2–3. (Reference No. 0021) |
 PDF in prep. |
| Yokoyama, M., 1904a: On some Jurassic fossils from Rikuzen. Journal of the College of Science, Imperial University of Tokyo, vol. 18, art. 6, pp. 1–13, pls. 1–2. (Reference No. 0330) |
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| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 21. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 300. |
