Mertonia lanka Laurie, 1906

[Jn: Merutogani]

— Takeda (1977: W Chichi-jima I., 80m); Marumura & Kosaka (2003: Chichi-jima I., 100 m); Takeda & Komatsu (2018: W Chichi-jima I., 86.9– 90.5 m; E Nishi-jima I., 52–52.1 m; E Muko-jima I., 98.7–109m)