Plagusia immaculata Lamarck, 1818

[Jn: Tsubu-ibo-shojingani]

— OIBO (2017a, in table 1: Nakodo-jima I.; in table 2: Mansaku-hama,Ani-jima I.; in table 5: Iguma Bay, Haha-jima I.; in table 6: Imoto-jima I.); Toyoya (Koyano) et al. (2023, in tables 3-3, 6-3: Off and at Nishino-shima I.)