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Gambusia affinis Girard, 1859
- Heterandria affinis Baird & Girard, 1853; (valid as)
- Heterandria patruelis Baird & Girard, 1853; (synonym)
- Gambusia gracilis Girard, 1859; (2 homonym)
- Gambusia gracilis Girard, 1859; (synonym)
- Gambusia holbrooki Girard (ex Agassiz), 1859; (synonym)
- Gambusia speciosa Girard, 1859; (synonym)
- Gambusia humilis Gìnther, 1866; (replacement)
- Gambusia humilis Gìnther, 1866; (synonym)
- Haplochilus melanops Cope, 1870; (synonym)
- Zygonectes atrilatus Jordan & Brayton, 1878; (synonym)
- Zygonectes brachypterus Cope, 1880; (synonym)
- Zygonectes brachypterus Cope, 1880; (unavailable, no features)
- Zygonectes inurus Jordan & Gilbert, 1882; (synonym)
- Arthrophallus patruelis Hubbs, 1926; (synonym)
- Gambusia affinis Berg, 1949
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Gambusia amistadensis Peden, 1973
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Gambusia atrora Rosen & Bailey, 1963
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Gambusia aurata Miller & Minckley, 1970
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Gambusia beebei Myers, 1935
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Gambusia dominicensis Regan, 1913
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Gambusia echeagarayi Rosen & Bailey, 1963
- Dicerophallus echeagarayi Alvarez, 1952; (valid as)
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Gambusia eurystoma Miller, 1975
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Gambusia gaigei Hubbs, 1929
- Gambusia alvarezi Hubbs & Springer, 1957; (synonym)
- Gambusia hurtadoi Hubbs & Springer, 1957; (synonym)
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Gambusia geiseri Hubbs & Hubbs, 1957
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Gambusia georgei Hubbs & Peden, 1969
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Gambusia heterochir Hubbs, 1957
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Gambusia hispaniolae Fink, 1971
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Gambusia krumholzi Minckley, 1963
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Gambusia lemaitrei Fowler, 1950
- Orthophallus lemaitrei Rivas, 1963; (valid as)
- Gambusia meadi Dahl, 1964; (vs)
- Toluichthys meadi Dahl, 1964; (synonym)
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Gambusia longispinis Minckley, 1962
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Gambusia luma Rosen & Bailey, 1963
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Gambusia marshi Minckley & Craddock, 1962
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Gambusia melapleura Rosen & Bailey, 1963
- Poecilia melapleura Gosse, 1851; (valid as)
- Poecilia melanopleura Bleeker, 1860; (synonym)
- Haplochilus melanopleurus Gìnther, 1866; (synonym)
- Haplochilus melanopleurus Gìnther, 1866; (unjustified emendation)
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Gambusia myersi Ahl, 1925
- Gambusia modesta Ahl, 1923; (1 homonym)
- Gambusia modesta Ahl, 1923; (synonym, objective)
- Gambusia myersi Ahl, 1925; (replacement)
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Gambusia nicaraguensis Gìnther, 1866
- Paragambusia nicaraguensis Meek, 1904; (valid as)
- Gambusia dovii Regan, 1913; (synonym)
- Gambusia mcnieli Fowler, 1916; (synonym)
- Gambusia aestiputeus Fowler, 1950; (synonym)
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Gambusia nobilis Rosen & Bailey, 1963
- Heterandria nobilis Baird & Girard, 1853; (valid as)
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Gambusia panuco Hubbs, 1926
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Gambusia pseudopunctata Rivas, 1969
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Gambusia punctata Poey, 1854
- Gambusia finlayi Santa Maria, 1956; (unavailable, no features)
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Gambusia puncticulata Poey, 1854
- Gambusia picturada Poey, 1868; (synonym)
- Gambusia caymanensis Regan, 1913; (synonym)
- Gambusia melanosticta Regan, 1913; (synonym)
- Gambusia nigropunctata Regan, 1913; (synonym)
- Gambusia oligosticta Regan, 1913; (synonym)
- Gambusia hubbsi Breder, 1934; (synonym)
- Gambusia howelli Rivas, 1944; (synonym)
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G. p. australis Greenfield & Thomerson, 1997
- Gambusia yucatana australis Greenfield, 1985; (synonym)
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G. p. baracoana Fink, 1971
- Gambusia baracoana Rivas, 1944; (synonym)
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G. p. bucheri Fink, 1971
- Gambusia bucheri Rivas, 1944; (synonym)
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G. p. manni Hubbs, 1927
- Gambusia manni Hubbs, 1927; (synonym)
- Gambusia puncticulata manni Fink, 1971
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G. p. monticola Fink, 1971
- Gambusia punctulata monticola Rivas, 1971; (synonym)
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G. p. yucatana Fink, 1971
- Gambusia yucatana Regan, 1914; (synonym)
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Gambusia rachovii
- Heterophallus rachovii Regan, 1914; (valid as)
- Gambusia atzi Rosen & Gordon, 1951; (synonym)
- Gambusia rachowi Rosen & Bailey, 1963
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Gambusia regani Hubbs, 1926
- Heterophallina regani Hubbs, 1926; (valid as)
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Gambusia rhizophorae Rivas, 1969
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Gambusia senilis Girard, 1859
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Gambusia sexradiata Rosen & Bailey, 1963
- Gambusia nicaraguensis sexradiatus Hubbs, 1936; (valid as)
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Gambusia vittata Hubbs, 1926
- Flexipenis vittatus Hubbs, 1963; (valid as)
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Gambusia wrayi Regan, 1913
- Gambusia gracilior Regan, 1913; (synonym)
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Gambusia xanthosoma Greenfield, 1983