ectenurus, Leptocephalus Jordan [D. S.] & Richardson [R. E.] 1909:171, Pl. 66 (lower fig.) [Memoirs of the Carnegie Museum v. 4 (no. 4); ref. 2493] Kaohsiung, Taiwan. Holotype: FMNH 52117 [ex CM 245]. Paratypes: CAS-SU 21259 (1). Type catalog: Henn 1928:53 [ref. 12305], Böhlke 1953:48 [ref. 12291], Ibarra & Stewart 1987:52 [ref. 12367], Ho & Shao 2011:23 [ref. 31432]. Type designated in Pl. 66. •Valid as Rhynchoconger ectenurus (Jordan & Richardson 1909) -- (Asano in Masuda et al. 1984:28 [ref. 6441], Paxton et al. 1989:142 [ref. 12442], Smith 1989:526 [ref. 13285], Ben-Tuvia 1993:353 [ref. 21130], Castle 1995:713 [ref. 22123], Chen et al. 1997:19 [ref. 26476], Smith 1999:1686 [ref. 24661], Lee & Joo 1999:25 [ref. 25724], Nakabo 2000:231 [ref. 25086], Smith in Randall & Lim 2000:586 [ref. 25122], Shinohara et al. 2001:294 [ref. 25995], Nakabo 2002:231 [ref. 26001], Choi et al. 2003:146, 495 [ref. 26218], Manilo & Bogorodsky 2003:S96 [ref. 27377], Shinohara et al. 2005:401 [ref. 28370], Hoese & Gates 2006:296 [ref. 28997], Zhang et al. 2010:207 [ref. 31511], Ho & Shao 2011:23 [ref. 31432], Larson et al. 2013:30 [ref. 32988], Yoshida et al. 2013:26 [ref. 34464], Ho et al. 2015:8 [ref. 34116], Ho et al. 2015:149 [ref. 34130], Hibino in Kimura et al. 2018:29 [ref. 36460], Kim et al. 2020:57 [ref. 39118], Mohapatra et al. 2022:5 [ref. 39271], Sakai et al. 2024:[2] [ref. 41110]). Current status: Valid as Rhynchoconger ectenurus (Jordan & Richardson 1909). Congridae: Congrinae. Distribution: Northwestern Pacific: Vietnam and Taiwan north to southern Korea and southern Japan. Habitat: marine.