Eleutherochir Bleeker [P.] 1879:102 Fem. Callionymus opercularioides Bleeker 1850. Type by original designation (also monotypic). •Valid as Eleutherochir Bleeker 1879 -- (Fricke 1982:73 [ref. 5432], Nakabo 1982:109 [ref. 3139], Fricke 1983:545 [ref. 8349], Houde 1984:637 [ref. 13674], Nakabo in Masuda et al. 1984:345 [ref. 6441], Fricke 2001:3550 [ref. 26292], Fricke 2002:50 [ref. 26547], Parin 2003:S24 [ref. 28536], Kottelat 2013:385 [ref. 32989], Parin et al. 2015:473 [ref. 33547]). Current status: Valid as Eleutherochir Bleeker 1879. Callionymidae.