T.  Kuroda and Habe, T., A catalogue of molluscs of Wakayama Prefecture, the Province of Kii. 1, Bivalvia, Scaphopoda and Cephalopoda, vol. 7. Wakayama: Wakayama-ken Kairui Mokuroku Kankokai, 1981, p. 301.

T.  Kuroda, Habe, T., and Oyama, K., The sea shells of Sagami Bay. Tokyo: Maruzen Kabushiki Kaisha, 1971, p. 1297.

T.  Kuroda and Habe, T., A catalogue of molluscs of Wakayama Prefecture, the Province of Kii. 1, Bivalvia, Scaphopoda and Cephalopoda, vol. 7. Wakayama: Wakayama-ken Kairui Mokuroku Kankokai, 1981, p. 301.

T.  Kuroda, Habe, T., and Oyama, K., The sea shells of Sagami Bay. Tokyo: Maruzen Kabushiki Kaisha, 1971, p. 1297.