Monopterus Lacepède [B. G. E.] 1800:138 Masc. Monopterus javanensis Lacepède 1800. Type by monotypy. Rosen & Greenwood 1976:56 give Muraena alba Zuiew as the type of Monopterus (not an originally included species; Lacepède included only one species, javanensis, and it is the type by monotypy). •Valid as Monopterus Lacepède 1800 -- (Rosen & Greenwood 1976:56 [ref. 7094] and Jayaram 1981:309 [ref. 6497] with wrong type, Matsuura in Masuda et al. 1984:366 [ref. 6441], Daget 1986:291 [ref. 6203], Paxton et al. 1989:436 [ref. 12442], Kottelat 1989:16 [ref. 13605], Roberts 1989:183 [ref. 6439], Ataur Rahman 1989:50 [ref. 24860], Liu in Pan et al. 1991:357 [ref. 23876], Daget in Lévêque et al. 1992:659 [ref. 21590], Bailey & Gans 1998:2 [ref. 23296], Yang in Chen 1998:320 [ref. 23556], Gopi 2002:139 [ref. 27553], Ataur Rahman 2003:65 [ref. 31338], Proudlove 2006:186 [ref. 28992], Hoese & Gates 2006:860 [ref. 28997], Scharpf 2007:36 [ref. 30398], Britz et al. 2011:51 [ref. 31404], Kottelat 2013:308 [ref. 32989], Zhang et al. 2016:192 [ref. 34477], Britz et al. 2016:309 [ref. 34914], Britz et al. 2018:315 [ref. 36207]). Current status: Valid as Monopterus Lacepède 1800. Synbranchidae.