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 Hiatirhaphis Huber, 2019
   11. Genus Limia Poey, 1854
   12. Genus Micropoecilia Hubbs, 1926
   13. Genus Neoheterandria Henn, 1916
   14. Genus Pamphorichthys Regan, 1913
   15. Genus Phallichthys Hubbs, 1924
   16. Genus Phalloceros Eigenmann, 1907
   17. Genus Phalloptychus Eigenmann, 1907
   18. Genus Phallotorynus Henn, 1916
   19. Genus Poecilia Bloch & Schneider, 1801
   20. Genus Poeciliopsis Regan, 1913
   21. Genus Priapella Regan, 1913
   22. Genus Priapichthys Regan, 1913
   23. Genus Pseudopoecilia Regan, 1913
   24. Genus Pseudoxiphophorus Bleeker, 1860
   25. Genus Quintana Hubbs, 1934
   26. Genus Scolichthys Rosen, 1967
   27. Genus Tomeurus Eigenmann, 1909
   28. Genus Xenodexia Hubbs, 1950
   29. Genus Xenophallus Hubbs, 1924
   30. Genus Xiphophorus Heckel, 1848
   31. Genus Zygonectus (uncertain > unassessed)
   32. Genus Acanthophacelus Eigenmann, 1907 accepted as Poecilia Bloch & Schneider, 1801
   33. Genus Allogambusia Hubbs, 1924 accepted as Neoheterandria Henn, 1916
   34. Genus Alloheterandria Hubbs, 1924 accepted as Priapichthys Regan, 1913
   35. Genus Allophallus Hubbs, 1936 accepted as Carlhubbsia Whitley, 1951
   36. Genus Allopoecilia Hubbs, 1924 accepted as Poecilia Bloch & Schneider, 1801
   37. Genus Aulophallus Hubbs, 1926 accepted as Poeciliopsis Regan, 1913
   38. Genus Dactylophallus Howell Rivero & Rivas, 1944 accepted as Girardinus Poey, 1854
   39. Genus Dicerophallus Álvarez, 1952 accepted as Gambusia Poey, 1854
   40. Genus Diphyacantha Henn, 1916 accepted as Priapichthys Regan, 1913
   41. Genus Flexipenis Hubbs in Rivas, 1963 accepted as Gambusia Poey, 1854
   42. Genus Furcipenis Hubbs, 1931 accepted as Alfaro Meek, 1912
   43. Genus Glaridichthys Garman, 1896 accepted as Girardinus Poey, 1854
   44. Genus Glaridodon Garman, 1895 accepted as Girardinus Poey, 1854
   45. Genus Haridichthys accepted as Glaridichthys Garman, 1896 accepted as Girardinus Poey, 1854 (misspelling)
   46. Genus Lebistes De Filippi, 1861 accepted as Poecilia Bloch & Schneider, 1801 (synonym)
   47. Genus Lembesseia Fowler, 1949 accepted as Poecilia Bloch & Schneider, 1801
   48. Genus Leptorhaphis Regan, 1913 accepted as Poeciliopsis Regan, 1913
   49. Genus Molinesia accepted as Mollienesia Lesueur, 1821 accepted as Poecilia Bloch & Schneider, 1801 (misspelling)
   50. Genus Mollienesia Lesueur, 1821 accepted as Poecilia Bloch & Schneider, 1801
   51. Genus Mollienisia accepted as Mollienesia Lesueur, 1821 accepted as Poecilia Bloch & Schneider, 1801 (misspelling)
   52. Genus Neopoecilia Hubbs, 1924 accepted as Poecilia Bloch & Schneider, 1801
   53. Genus Pamphoria Regan, 1913 accepted as Poecilia Bloch & Schneider, 1801
   54. Genus Panamichthys Hubbs, 1924 accepted as Priapichthys Regan, 1913
   55. Genus Parapoecilia Hubbs, 1924 accepted as Poecilia Bloch & Schneider, 1801
   56. Genus Petalosoma Regan, 1908 accepted as Alfaro Meek, 1912
   57. Genus Petalurichthys Regan, 1912 accepted as Alfaro Meek, 1912
   58. Genus Platypoecilus Günther, 1866 accepted as Xiphophorus Heckel, 1848
   59. Genus Plectrophallus Fowler, 1932 accepted as Brachyrhaphis Regan, 1913
   60. Genus Pocilia accepted as Poecilia Bloch & Schneider, 1801 (unaccepted > misspelling - incorrect subsequent spelling)
   61. Genus Poeciliodes Steindachner, 1863 accepted as Heterandria Agassiz, 1853 (synonym)
   62. Genus Poecilioides accepted as Poeciliodes Steindachner, 1863 accepted as Heterandria Agassiz, 1853 (misspelling)
   63. Genus Schizophallus Hubbs, 1926 accepted as Gambusia Poey, 1854 (synonym)
   64. Genus Toxus Eigenmann, 1903 accepted as Girardinus Poey, 1854
   65. Genus Trigonophallus Hubbs, 1926 accepted as Brachyrhaphis Regan, 1913
   66. Genus Xiphorus accepted as Xiphophorus Heckel, 1848 (misspelling)
   67. Genus Zygonectes Agassiz, 1854 accepted as Fundulus Lacepède, 1803
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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