Praeconia cf. tetragona (Terquem)
| 1959. | Praeconia cf. tetragona (Terquem) Hayami, I. 1959h p. 71, pl. 8, fig. 3 |
| Condition: | Present |
| Taxonomy: | Mollusca: Bivalvia: Astartidae: |
| Geologic Time: | Mesozoic: |
| Hayami, I., 1959h: Lower Liassic lamellibranch fauna of the Higashinagano formation in west Japan. Journal of the Faculty of Science, University of Tokyo, Section 2, vol. 12, pt. 1, pp. 31–84, pls. 5–8. (Reference No. 0032) |
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| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 30. |
