| Fundulidae Günther, 1866 |
| Fundulus Lacépède, 1803 |
| Fundulus diaphanus (Lesueur, 1817) |
| Fundulus dugesii Bean, 1887 |
| Fundulus extensus Jordan & Gilbert, 1882 |
| Fundulus grandis Baird & Girard, 1853 |
| Fundulus grandissimus Hubbs, 1936 |
| Fundulus herminiamatildarum García-Ramírez, Lozano-Vilano & De la Maza Benignos, 2022 |
| Fundulus jenkinsi (Evermann, 1892) |
| Fundulus labialis Günther, 1866 |
| Fundulus lima Vaillant, 1894 |
| Fundulus meeki Evermann, 1908 |
| Fundulus oaxacae Meek, 1902 |
| Fundulus parvipinnis Girard, 1854 |
| Fundulus parvipinnis subsp. brevis Osburn & Nichols, 1916 |
| Fundulus parvipinnis subsp. parvipinnis Girard, 1854 |
| Fundulus persimilis R. R. Miller, 1955 |
| Fundulus philpisteri García-Ramírez, Contreras-Balderas & Lozano-Vilano, 2007 |
| Fundulus pulvereus (Evermann, 1892) |
| Fundulus punctatus Günther, 1866 |