Cryptopecten nux sematensis (Oyama)
| 1984. | Cryptopecten nux sematensis (Oyama) Holotype Hayami, I. 1984 p. 103, pl. 3, fig. 3a-d |
| 1973. | Aequipecten (Cryptopecten) sematensis Oyama in Taki & Oyama, 1954 Paratype Oyama, K. 1973 p. 85, pl. 34, fig. 9a, b |
| 1954. | Aequipecten (Cryptopecten) sematensis Oyama Holotype Taki, I. & Oyama, K. 1954 pl. 35, fig. 1 |
| 1922. | Pecten tissoti Bernardi Yokoyama, M. 1922a p. 182, pl. 15, fig. 1 |
| Condition: | Present |
| Taxonomy: | Mollusca: Bivalvia: Pectinidae: |
| Geologic Time: | Cenozoic: Pleistocene: |
| Horizon: | Shimosa group: Yabu formation: |
| Hayami, I., 1984: Natural history and evolution of Cryptopecten (a Cenozoic–Recent pectinid genus). The University Museum, The University of Tokyo, Bulletin, no. 24, pp. i–ix + 1–149, pls. 1–13. (Reference No. 0517) |
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| Oyama, K., 1973: Revision of Matajiro Yokoyama's type Mollusca from the Tertiary and Quaternary of the Kanto area. Palaeontological Society of Japan, Special Papers, no. 17, pp. 1–148, pls. 1–57. (Reference No. 0411) |
| Taki, I. and Oyama, K., 1954: Matajiro Yokoyama's the Pliocene and later faunas from the Kwanto region in Japan. Palaeontological Society of Japan, Special Papers, no. 2, pp. 1–68, pls. 1–49. (Reference No. 0441) |
| Yokoyama, M., 1922a: Fossils from the upper Musashino of Kazusa and Shimosa. Journal of the College of Science, Imperial University of Tokyo, vol. 44, art. 1, pp. 1–200 + i–viii, pls. 1–17. (Reference No. 0465) |
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| Ichikawa, T., 1988, no. 15, p. 15. |
| Ichikawa, T., 1983, no. 9, p. 142. |
| Ichikawa, T., 1983, no. 9, p. 210. |
| Ichikawa, T., 1983, no. 9, p. 279. |
