leptognathus, Conger Bleeker [P.] 1858:27, Pl. 2 (fig. 2) [Acta Societatis Regiae Scientiarum Indo-Neêrlandicae v. 3 (art. 10); ref. 360] Nagasaki, Japan. Holotype (unique): whereabouts unknown. Bleeker specimens: BMNH 1867.11.28.295 (1) Nagasaki. •Valid as Oxyconger leptognathus (Bleeker 1858) -- (Asano in Masuda et al. 1984:29 [ref. 6441], Paxton et al. 1989:145 [ref. 12442], Smith 1999:1672 [ref. 24661], Nakabo 2000:235 [ref. 25086], Smith in Randall & Lim 2000:586 [ref. 25122], Hutchins 2001:17 [ref. 25847], Shinohara et al. 2001:293 [ref. 25995], Nakabo 2002:235 [ref. 26001], Choi et al. 2003:145, 493 [ref. 26218], Paxton et al. 2006:283 [ref. 28995], Zhang et al. 2010:298 [ref. 31511], Ho et al. 2015:151 [ref. 34130], Hoschke et al. 2019:153 [ref. 36626], Sonoyama et al. 2020:19 [ref. 37637]). Current status: Valid as Oxyconger leptognathus (Bleeker 1858). Muraenesocidae. Distribution: Western Pacific, antitropical; southeastern Indian Ocean: Western Australia. Habitat: marine.