echigonius, Minous Jordan [D. S.] & Starks [E. C.] 1904:153, Fig. 14 [Proceedings of the United States National Museum v. 27 (no. 1351); ref. 2527] Niigata, Echigo, Japan. Holotype (unique): CAS-SU 7370 [not 7380 as published]. •Synonym of Minous monodactylus (Bloch & Schneider 1801) -- (Eschmeyer et al. 1979:461 [ref. 1277], Lindberg & Krasyukova 1987:116 [ref. 15964], Matsunuma & Motomura 2018:252 [ref. 36053]). Current status: Synonym of Minous monodactylus (Bloch & Schneider 1801). Synanceiidae: Choridactylinae. Habitat: marine.