cyanoctenosum, Oxymetopon Klausewitz [W.] & Condé [B.] 1981:71, Figs. 1, 10-17, 19e [Revue française d'Aquariologie Herpétologie v. 8 (no. 3); ref. 5479] Probably from off Cebu Island, Philippines. Holotype (unique): SMF 15390. •Valid as Oxymetopon cyanoctenosum Klausewitz & Condé 1981 -- (Allen 1997:222 [ref. 23977], Ikeda et al. 2000:2 [ref. 25036], Larson 2001:3608 [ref. 26296], Allen & Adrim 2003:61 [ref. 26830], Allen & Erdmann 2012:995 [ref. 31980], Fricke et al. 2014:178 [ref. 33932], Prokofiev 2016:136 [ref. 34651], Koeda & Ho 2019:85 [ref. 36584]). Current status: Valid as Oxymetopon cyanoctenosum Klausewitz & Condé 1981. Microdesmidae: Ptereleotrinae. Distribution: Western Pacific: Indonesia and Philippines, north to Taiwan, south to Papua New Guinea. Habitat: marine.