Tyttobrycon Géry [J.] 1973:117 Masc. Tyttobrycon xeruini Géry 1973. Type by original designation. See Malabarba 1998:232 [ref. 23844]. •Valid as Tyttobrycon Géry 1973 -- (Géry 1977:603 [ref. 1597], Malabarba in Reis et al. 2003:158 [ref. 27061], Mirande 2009:7 [ref. 30267] in Characidae, Aphyoditeinae, Mirande 2010:528 [ref. 31006] with question, Marinho et al. 2013:739 [ref. 33025], Abrahão et al. 2019:1 [ref. 37182], Melo et al. 2024:24 [ref. 41541] in Tyttobryconinae). Current status: Valid as Tyttobrycon Géry 1973. Acestrorhamphidae: Tyttobryconinae.