Aulacolambrus diacanthus (De Haan, 1839)

[Jn: Sankaku-hishigani]

— Takeda (1977: W Chichi-jima I., 52m); Takeda & Kurata (1977b: Minami-fukurozawa, Chichi-jima I.); OIBO (2016, in table 1: Iguma Bay, Haha-jima I.)