Macrognathus Lacepède [B. G. E.] 1800:283 Masc. Ophidium aculeatum Bloch 1786. Type by subsequent designation. Earliest type designation located is Jordan 1917:56 [ref. 2407]. Correct spelling for genus of type species is Ophidion. •Valid as Macrognathus Lacepède 1800 -- (Sufi 1956:99 [ref. 12498], Jayaram 1981:387 [ref. 6497], Travers 1984:143 [ref. 5147], Kottelat 1985:274 [ref. 11441], Roberts 1986:98 [ref. 5802], Kottelat 1989:20 [ref. 13605], Roberts 1989:178 [ref. 6439], Ataur Rahman 1989:261 [ref. 24860], Brittan 1998:95 [ref. 24513], Arunkumar & Tombi Singh 2000:117 [ref. 25674], Ataur Rahman 2003:285 [ref. 31338], Pethiyagoda et al. 2008:37 [ref. 30097], Scharpf 2009:19 [ref. 30400], Britz 2010:295 [ref. 30685], Britz 2010:55 [ref. 30857], Plamoottil & Abraham 2013:6 [ref. 33148], Kottelat 2013:310 [ref. 32989], Plamoottil & Abraham 2014:49 [ref. 33147], Plamoottil & Abraham 2014:100 [ref. 33317], Arunkumar 2016:2003 [ref. 35770], Britz & Kottelat 2020:[1] [ref. 37336], Ng & Tan 2020:170 [ref. 37671], Arunkumar 2020:44 [ref. 37761]). Current status: Valid as Macrognathus Lacepède 1800. Mastacembelidae.