Phalloptychus Eigenmann [C. H.] 1907:426, 430 Masc. Girardinus januarius Hensel 1868. Type by original designation (also monotypic). Misspelled Phalloptycus by Eigenmann 1910:458 [ref. 1224]. •Valid as Phalloptychus Eigenmann 1907 -- (Rosen & Bailey 1963:73 [ref. 7067], Parenti & Rauchenberger 1989:8 [ref. 13538], Malabarba 1989:161 [ref. 14217], Lucinda in Reis et al. 2003:566 [ref. 27061], Lucinda 2005:373 [ref. 28403], Lucinda & Reis 2005:43 [ref. 29205], Koerber & Litz 2009:1 [ref. 31159], Meyer 2015:192 [ref. 34698], Bertaco et al. 2016:423 [ref. 34561], Huber 2019:91 [ref. 36941]). Current status: Valid as Phalloptychus Eigenmann 1907. Poeciliidae: Poeciliinae.