Brittanichthys Géry [J.] 1965:13 Masc. Brittanichthys axelrodi Géry 1965. Type by original designation. •Valid as Brittanichthys Géry 1965 -- (Géry 1977:591 [ref. 1597], Malabarba 1998:232 [ref. 23844], Malabarba & Weitzman 1999:411 [ref. 24417], Malabarba in Reis et al. 2003:114 [ref. 27061], Mirande 2009:11 [ref. 30267] as incertae sedis in Characidae, Mirande 2010:545 [ref. 31006], Melo et al. 2024:21 [ref. 41541] in Megalamphodinae). Current status: Valid as Brittanichthys Géry 1965. Acestrorhamphidae: Megalamphodinae.