Original description:
- Regan, Charles Tate. 1913. "A revision of the cyprinodont fishes of the subfamily Poeciliinae". Proceedings of the Zoological Society of London. 1913:977-1018 (ffm00016)
Type species: Poecilia presidionis Jordan & Culver, 1895 (subsequent designation).
Synonyms:
- Poecilistes Hubbs, 1926, 1926. Determiner: Miller, Robert Rush, 1955
Described species included (26):
valid: 20 synonym: 6- Xiphophorus gracilis Heckel, 1848 (valid)
- Heterandia occidentalis Baird & Girard, 1853 (valid)
- Girardinus sonoriensis Girard, 1859 (valid)
- Gambusia heckeli Bleeker, 1860 (synonym)
- Girardinus pleurospilus Günther, 1866 (valid)
- Gambusia infans Woolman, 1894 (valid)
- Glaridodon latidens Garman, 1895 (valid)
- Poecilia presidionis Jordan & Culver, 1895 (valid)
- Gambusia fasciata Meek, 1904 (valid)
- Gambusia turrubarensis Meek, 1912 (valid)
- Heterandria colombianus Eigenmann & Henn, 1912 (synonym)
- Priapichthys fosteri Hildebrand, 1925 (synonym)
- Poeciliopsis balsas Hubbs, 1926 (valid)
- Arizonichthys psammophilus Nichols, 1940 (synonym)
- Poeciliopsis anonas de Buen, 1943 (synonym)
- Poeciliopsis porosus de Buen, 1943 (synonym)
- Poeciliopsis lucida Miller, 1960 (valid)
- Poeciliopsis monacha Miller, 1960 (valid)
- Poeciliopsis prolifica Miller, 1960 (valid)
- Poeciliopsis viriosa Miller, 1960 (valid)
- Poeciliopsis catemaco Miller, 1965 (valid)
- Poeciliopsis turneri Miller, 1975 (valid)
- Poeciliopsis hnilickai Meyer & Vogel, 1981 (valid)
- Poeciliopsis scarlli Meyer, Riehl, Dawes & Dibble, 1985 (valid)
- Poeciliopsis benschi Meyer, Radda, Riehl & Feichtinger, 1986 (valid)
- Poeciliopsis jackschultzi Conway, Mateos & Vrijenhoek, 2019 (valid)