acuta, Ophisoma Swainson [W.] 1839:396 [The natural history and classification v. 2; ref. 4303] Sicily, Italy, Mediterranean Sea. No types known. •Synonym of Ariosoma balearicum (Delaroche 1809) -- (Blache et al. 1973:241 [ref. 7185], Smith 1989:495 [ref. 13285], Smith 1990:157 [ref. 13454], Zhang et al. 2010:193 [ref. 31511] with year as 1838). Current status: Synonym of Ariosoma balearicum (Delaroche 1809). Congridae: Bathymyrinae. Habitat: marine.