1. Subfamily Aplocheilichthyinae Myers, 1928
   1. Genus Aplocheilichthys Bleeker, 1863
   2. Genus Platypanchax Ahl, 1928
   3. Genus Poropanchax Clausen, 1967
   4. Genus Rhexipanchax Huber, 1999
   5. Genus Haplocheilichthys accepted as Aplocheilichthys Bleeker, 1863 (unaccepted > misspelling - incorrect subsequent spelling)
   6. Genus Haplochilichthys accepted as Aplocheilichthys Bleeker, 1863 (misspelling)
2. Subfamily Poeciliinae Bonaparte, 1831
   1. Genus Alfaro Meek, 1912
   2. Genus Belonesox Kner, 1860
   3. Genus Brachyrhaphis Regan, 1913
   4. Genus Carlhubbsia Whitley, 1951
   5. Genus Cnesterodon Garman, 1895
   6. Genus Gambusia Poey, 1854
   7. Genus Girardinus Poey, 1854
   8. Genus Heterandria Agassiz, 1853
   9. Genus Heterophallus Regan, 1914
   10. Genus Limia Poey, 1854
   11. Genus Micropoecilia Hubbs, 1926
   12. Genus Neoheterandria Henn, 1916
   13. Genus Pamphorichthys Regan, 1913
   14. Genus Phallichthys Hubbs, 1924
   15. Genus Phalloceros Eigenmann, 1907
   16. Genus Phalloptychus Eigenmann, 1907
   17. Genus Phallotorynus Henn, 1916
   18. Genus Poecilia Bloch & Schneider, 1801
   19. Genus Poeciliopsis Regan, 1913
   20. Genus Priapella Regan, 1913
   21. Genus Priapichthys Regan, 1913
   22. Genus Pseudopoecilia Regan, 1913
   23. Genus Pseudoxiphophorus Bleeker, 1860
   24. Genus Quintana Hubbs, 1934
   25. Genus Scolichthys Rosen, 1967
   26. Genus Tomeurus Eigenmann, 1909
   27. Genus Xenodexia Hubbs, 1950
   28. Genus Xenophallus Hubbs, 1924
   29. Genus Xiphophorus Heckel, 1848
   30. Genus Acanthophacelus Eigenmann, 1907 accepted as Poecilia Bloch & Schneider, 1801
   31. Genus Allogambusia Hubbs, 1924 accepted as Neoheterandria Henn, 1916
   32. Genus Alloheterandria Hubbs, 1924 accepted as Priapichthys Regan, 1913
   33. Genus Allophallus Hubbs, 1936 accepted as Carlhubbsia Whitley, 1951
   34. Genus Allopoecilia Hubbs, 1924 accepted as Poecilia Bloch & Schneider, 1801
   35. Genus Aulophallus Hubbs, 1926 accepted as Poeciliopsis Regan, 1913
   36. Genus Dactylophallus Howell Rivero & Rivas, 1944 accepted as Girardinus Poey, 1854
   37. Genus Dicerophallus Álvarez, 1952 accepted as Gambusia Poey, 1854
   38. Genus Diphyacantha Henn, 1916 accepted as Priapichthys Regan, 1913
   39. Genus Flexipenis Hubbs in Rivas, 1963 accepted as Gambusia Poey, 1854
   40. Genus Furcipenis Hubbs, 1931 accepted as Alfaro Meek, 1912
   41. Genus Glaridichthys Garman, 1896 accepted as Girardinus Poey, 1854
   42. Genus Glaridodon Garman, 1895 accepted as Girardinus Poey, 1854
   43. Genus Haridichthys accepted as Glaridichthys Garman, 1896 accepted as Girardinus Poey, 1854 (misspelling)
   44. Genus Lebistes De Filippi, 1861 accepted as Poecilia Bloch & Schneider, 1801 (synonym)
   45. Genus Lembesseia Fowler, 1949 accepted as Poecilia Bloch & Schneider, 1801
   46. Genus Leptorhaphis Regan, 1913 accepted as Poeciliopsis Regan, 1913
   47. Genus Molinesia accepted as Mollienesia Lesueur, 1821 accepted as Poecilia Bloch & Schneider, 1801 (misspelling)
   48. Genus Mollienesia Lesueur, 1821 accepted as Poecilia Bloch & Schneider, 1801
   49. Genus Mollienisia accepted as Mollienesia Lesueur, 1821 accepted as Poecilia Bloch & Schneider, 1801 (misspelling)
   50. Genus Neopoecilia Hubbs, 1924 accepted as Poecilia Bloch & Schneider, 1801
   51. Genus Pamphoria Regan, 1913 accepted as Poecilia Bloch & Schneider, 1801
   52. Genus Panamichthys Hubbs, 1924 accepted as Priapichthys Regan, 1913
   53. Genus Parapoecilia Hubbs, 1924 accepted as Poecilia Bloch & Schneider, 1801
   54. Genus Petalosoma Regan, 1908 accepted as Alfaro Meek, 1912
   55. Genus Petalurichthys Regan, 1912 accepted as Alfaro Meek, 1912
   56. Genus Platypoecilus Günther, 1866 accepted as Xiphophorus Heckel, 1848
   57. Genus Plectrophallus Fowler, 1932 accepted as Brachyrhaphis Regan, 1913
   58. Genus Pocilia accepted as Poecilia Bloch & Schneider, 1801 (unaccepted > misspelling - incorrect subsequent spelling)
   59. Genus Poeciliodes Steindachner, 1863 accepted as Heterandria Agassiz, 1853 (synonym)
   60. Genus Poecilioides accepted as Poeciliodes Steindachner, 1863 accepted as Heterandria Agassiz, 1853 (misspelling)
   61. Genus Schizophallus Hubbs, 1926 accepted as Gambusia Poey, 1854 (synonym)
   62. Genus Toxus Eigenmann, 1903 accepted as Girardinus Poey, 1854
   63. Genus Trigonophallus Hubbs, 1926 accepted as Brachyrhaphis Regan, 1913
   64. Genus Xiphorus accepted as Xiphophorus Heckel, 1848 (misspelling)
   65. Genus Zygonectes Agassiz, 1854 accepted as Fundulus Lacepède, 1803
   66. Genus Zygonectus (uncertain > unassessed)
3. Subfamily Procatopodinae Fowler, 1916
   1. Genus Aapticheilichthys Huber, 2011
   2. Genus Congopanchax Poll, 1971
   3. Genus Cynopanchax Ahl, 1928
   4. Genus Fluviphylax Whitley, 1965
   5. Genus Hylopanchax Poll & Lambert, 1965
   6. Genus Hypsopanchax Myers, 1924
   7. Genus Laciris Huber, 1981
   8. Genus Lacustricola Myers, 1924
   9. Genus Lamprichthys Regan, 1911
   10. Genus Micropanchax Myers, 1924
   11. Genus Pantanodon Myers, 1955
   12. Genus Plataplochilus Ahl, 1928
   13. Genus Procatopus Boulenger, 1904
   14. Genus Mohanga Boulenger, 1911 accepted as Lamprichthys Regan, 1911
   15. Genus Plaplochilus accepted as Plataplochilus Ahl, 1928 (unaccepted > misspelling - incorrect subsequent spelling)
4. Subfamily Fluviphylacinae Roberts, 1970 accepted as Procatopodinae Fowler, 1916

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