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 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.