Dicerophallus Álvarez [J.] 1952:95 Masc. Dicerophallus echeagarayi Álvarez 1952. Type by original designation (also monotypic). •Synonym of Gambusia Poey 1854 -- (Rosen & Bailey 1963:90 [ref. 7067], Rauchenberger 1989:3 [ref. 15687], Lucinda in Reis et al. 2003:558 [ref. 27061], Lucinda & Reis 2005:41 [ref. 29205]). •Synonym of Heterophallus Regan 1914 -- (Huber 2019:57 [ref. 36941]). Current status: Synonym of Heterophallus Regan 1914. Poeciliidae: Poeciliinae.