Portlandia sanchuensis (Yabe & Nagao)
| 1980. | Portlandia sanchuensis (Yabe & Nagao) Hayami, I. & Oji, T. 1980 p. 425, pl. 51, fig. 8 |
| Condition: | Present |
| Taxonomy: | Mollusca: Bivalvia: Nuculanidae: |
| Geologic Time: | Mesozoic: |
| Hayami, I. and Oji, T., 1980: Early Cretaceous Bivalvia from the Choshi district, Chiba Prefecture, Japan. Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 120, pp. 419–448, pls. 51–53. (Reference No. 0523) |
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| Ichikawa, T., 1988, no. 15, p. 20. |
