Monotocheirodon Eigenmann [C. H.] & Pearson [N. E.] in Pearson 1924:34 Masc. Monotocheirodon pearsoni Eigenmann 1924. Type by monotypy. •Valid as Monotocheirodon Eigenmann & Pearson 1924 -- (Géry 1977:547 [ref. 1597], Malabarba 1998:231 [ref. 23844], Malabarba in Reis et al. 2003:150 [ref. 27061], Mirande 2009:8 [ref. 30267] ans Mirande 2010:533 [ref. 31006] in Characidae, Stevardiinae with question, Menezes et al. 2009:57 [ref. 30293], Menezes et al. 2013:54 [ref. 32808], Thomaz et al. 2015:4 [ref. 33893], Carvalho et al. 2024:1 [ref. 40982], Melo et al. 2024:11 [ref. 41541] in Diapominae). Current status: Valid as Monotocheirodon Eigenmann & Pearson 1924. Stevardiidae: Diapominae.