Ophisoma (subgenus of Anguilla) Swainson [W.] 1839:334, 396 Neut. Ophisoma acuta Swainson 1839. Type by subsequent designation. Described first as Ariosoma Swainson 1838:220 [ref. 4302], name changed to Ophisoma in 1839 [ref. 4303]. Type apparently designated first by Bleeker 1864:20 [not O. obtusa as designated by Swain 1883:287]. •Objective synonym of Ariosoma Swainson 1838 -- (Blache et al. 1973:240 [ref. 7185], Smith 1989:491 [ref. 13285], Shen 1998:8 [ref. 23445]). Current status: Synonym of Ariosoma Swainson 1838. Congridae: Bathymyrinae.