tetranema, Eustomias Zugmayer [E.] 1913:2 [Bulletin de l'Institut Océanographique (Monaco) No. 253; ref. 5032] Southwest of Madeira, 31°45'N, 20°17'W, station 3202, depth 0-3000 meters. Holotype (unique): MOM. Type catalog: Belloc 1949:6 [ref. 21544]. •Valid as Eustomias tetranema Zugmayer 1913 -- (Morrow 1973:139 [ref. 7175], Gibbs in Whitehead et al. 1984:351 [ref. 13675], Gibbs & Barnett 1990:322 [ref. 14915], Sutton & Hartel 2004:117 [ref. 27508], Costa & Mincarone 2010:353 [ref. 37483], Harold 2016:1814 [ref. 34568], Carneiro et al. 2019:100 [ref. 37250], Sutton et al. 2020:101 [ref. 37832]). Current status: Valid as Eustomias tetranema Zugmayer 1913. Stomiidae: Melanostomiinae. Distribution: Atlantic. Habitat: marine.