Třída: Actinopterygii - paprskoploutví
Řád: Cyprinodontiformes - halančíkovci
Čeleď: Poeciliidae - živorodkovití

Synonyma: Alloheterandria nigroventralis (Eigenmann & Henn, 1912); Gambusia caudovittata Regan, 1913; Gambusia nigroventralis Eigenmann & Henn, 1912; Pseudopoecilia nigroventralis (Eigenmeann & Henn, 1912).

Reference: Eigenmann, C. H. 1912. Some results from an ichthyological reconnaissance of Colombia, South America. Part I. (Contrib. Zool. Lab. Ind. Univ. No. 127.). Ind. Univ. Studies No. 16 [sic No. 8]: 1-27.