| Scientific Name | Author | English Name |
|---|---|---|
| Allodontichthys hubbsi | Miller & Uyeno, 1980 | Whitepatched splitfin |
| Allodontichthys polylepis | Rauchenberger, 1988 | Finescale splitfin |
| Allodontichthys tamazulae | Turner, 1946 | Tuxpan splitfin |
| Allodontichthys zonistius | (Hubbs, 1932) | Bandfin splitfin |
| Alloophorus robustus | (Bean, 1892) | Bulldog goodeid |
| Allotoca catarinae | (de Buen, 1942) | Catarina allotoca |
| Allotoca diazi | (Meek, 1902) | Patzcuaro allotoca |
| Allotoca dugesii | (Bean, 1887) | Opal allotoca |
| Allotoca goslinei | Smith & Miller, 1987 | Banded allotoca |
| Allotoca maculata | Smith & Miller, 1980 | Blackspot allotoca |
| Allotoca meeki | (Álvarez, 1959) | Zirahuen allotica |
| Allotoca regalis | (Álvarez, 1959) | Royal Splitfin |
| Allotoca zacapuensis | Meyer, Radda & Domínguez-Domínguez, 2001 | Zacapu allotoca |
| Ameca splendens | Miller & Fitzsimons, 1971 | Butterfly splitfin |
| Ataeniobius toweri | (Meek, 1904) | Bluetail goodea |
| Chapalichthys encaustus | (Jordan & Snyder, 1899) | Barred splitfin |
| Chapalichthys pardalis | Álvarez, 1963 | Polka-dot splitfin |
| Chapalichthys peraticus | Álvarez, 1963 | Alien splitfin |
| Characodon audax | Smith & Miller, 1986 | Bold characodon |
| Characodon garmani | Jordan & Evermann, 1898 | Parras characodon |
| Characodon lateralis | Günther, 1866 | Rainbow characodon |
| Crenichthys baileyi | (Gilbert, 1893) | White River springfish |
| Crenichthys nevadae | Hubbs, 1932 | Railroad Valley springfish |
| Empetrichthys latos | Miller, 1948 | Pahrump poolfish |
| Empetrichthys merriami | Gilbert, 1893 | Ash Meadows killifish |
| Girardinichthys ireneae | Radda & Meyer, 2003 | |
| Girardinichthys multiradiatus | (Meek, 1904) | Darkedged splitfin |
| Girardinichthys viviparus | (Bustamante, 1837) | Chapultepec splitfin |
| Goodea atripinnis | Jordan, 1880 | Blackfin goodea |
| Goodea gracilis | Hubbs & Turner, 1939 | Dusky splitfin |
| Goodea luitpoldii | (Steindachner, 1894) | Green goodea |
| Hubbsina turneri | de Buen, 1940 | Highland splitfin |
| Ilyodon cortesae | Paulo-Maya & Trujillo-Jiménez, 2000 | Freckled splitfin |
| Ilyodon furcidens | (Jordan & Gilbert, 1882) | Goldbreast splitfin |
| Ilyodon lennoni | Meyer & Förster, 1983 | Chacambero splitfin |
| Ilyodon whitei | (Meek, 1904) | Balsas splitfin |
| Ilyodon xantusi | (Hubbs & Turner, 1939) | Limones splitfin |
| Skiffia bilineata | (Bean, 1887) | Twoline skiffia |
| Skiffia francesae | Kingston, 1978 | Golden skiffia |
| Skiffia lermae | Meek, 1902 | Olive skiffia |
| Skiffia multipunctata | (Pellegrin, 1901) | Spotted skiffia |
| Zoogoneticus quitzeoensis | (Bean, 1898) | Picotee goodeid |
| Zoogoneticus tequila | Webb & Miller, 1998 | Tequila splitfin |
| Xenoophorus captivus | (Hubbs, 1924) | Relict splitfin |
| Xenotaenia resolanae | Turner, 1946 | Leopard splitfin |
| Xenotoca doadrioi | Domínguez-Domínguez, Bernal-Zuñiga & Piller, 2016 | |
| Xenotoca eiseni | (Rutter, 1896) | Redtail splitfin |
| Xenotoca lyonsi | Domínguez-Domínguez, Bernal-Zuñiga & Piller, 2016 | |
| Xenotoca melanosoma | Fitzsimons, 1972 | Black splitfin |
| Xenotoca variata | (Bean, 1887) | Jeweled splitfin |
| Zoogoneticus purhepechus | Domínguez-Domínguez, Pérez-Rodríguez & Doadrio, 2008 |