1. Subfamily Aplocheilichthyinae Myers, 1928
   1. Genus Aplocheilichthys Bleeker, 1863
   2. Genus Haplocheilichthys accepted as Aplocheilichthys Bleeker, 1863 (unaccepted > misspelling)
   3. Genus Haplochilichthys accepted as Aplocheilichthys Bleeker, 1863 (misspelling)
2. Subfamily Poeciliinae Bonaparte, 1831
   1. Genus Belonesox Kner, 1860
   2. Genus Brachyrhaphis Regan, 1913
   3. Genus Cnesterodon Garman, 1895
   4. Genus Gambusia Poey, 1854
   5. Genus Heterandria Agassiz, 1853
   6. Genus Limia Poey, 1854
   7. Genus Micropoecilia Hubbs, 1926
   8. Genus Phalloceros Eigenmann, 1907
   9. Genus Poecilia Bloch & Schneider, 1801
   10. Genus Poeciliopsis Regan, 1913
   11. Genus Priapichthys Regan, 1913
   12. Genus Xiphophorus Heckel, 1848
   13. Genus Acanthophacelus Eigenmann, 1907 accepted as Poecilia Bloch & Schneider, 1801
   14. Genus Flexipenis Hubbs in Rivas, 1963 accepted as Gambusia Poey, 1854
   15. Genus Glaridichthys Garman, 1896 accepted as Girardinus Poey, 1854
   16. Genus Glaridodon Garman, 1895 accepted as Girardinus Poey, 1854
   17. Genus Lembesseia Fowler, 1949 accepted as Poecilia Bloch & Schneider, 1801
   18. Genus Leptorhaphis Regan, 1913 accepted as Poeciliopsis Regan, 1913
   19. Genus Molinesia accepted as Mollienesia Lesueur, 1821 accepted as Poecilia Bloch & Schneider, 1801 (misspelling)
   20. Genus Mollienesia Lesueur, 1821 accepted as Poecilia Bloch & Schneider, 1801
   21. Genus Mollienisia accepted as Mollienesia Lesueur, 1821 accepted as Poecilia Bloch & Schneider, 1801 (misspelling)
   22. Genus Neopoecilia Hubbs, 1924 accepted as Poecilia Bloch & Schneider, 1801
   23. Genus Pamphoria Regan, 1913 accepted as Poecilia Bloch & Schneider, 1801
   24. Genus Parapoecilia Hubbs, 1924 accepted as Poecilia Bloch & Schneider, 1801
   25. Genus Platypoecilus Günther, 1866 accepted as Xiphophorus Heckel, 1848
   26. Genus Plectrophallus Fowler, 1932 accepted as Brachyrhaphis Regan, 1913
   27. Genus Pocilia accepted as Poecilia Bloch & Schneider, 1801 (unaccepted > misspelling)
   28. Genus Poeciliodes Steindachner, 1863 accepted as Heterandria Agassiz, 1853 (synonym)
   29. Genus Schizophallus Hubbs, 1926 accepted as Gambusia Poey, 1854 (synonym)
   30. Genus Zygonectes Agassiz, 1854 accepted as Fundulus Lacepède, 1803
   31. Genus Zygonectus (uncertain > unassessed)
3. Subfamily Procatopodinae Fowler, 1916
   1. Genus Pantanodon Myers, 1955

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