melanosoma, Xenotoca Fitzsimons [J. M.] 1972:750 [Copeia 1972 (no. 4); ref. 7117] Río Tamazula, 5 kilometers south of Guzmán, Jalisco, Mexico. Holotype: UMMZ 189077. Paratypes: UMMZ 186292 (30, 2 c&s), 189078 (1), 189079 (21, 2 c&s). •Valid as "Xenotoca" melanosoma Fitzsimons 1972 -- (Miller 2006:288 [ref. 28615]). •Valid as Xenoophorus melanosoma (Fitzsimons 1972) -- (Huber 2019:35 [ref. 36941]). •Valid as Xenotoca melanosoma Fitzsimons 1972 -- (Espinosa Pérez et al. 1993:43 [ref. 22290], Nelson et al. 2004:107 [ref. 27807], Scharpf 2007:29 [ref. 30398], Page et al. 2013:105 [ref. 32708], Domínguez-Domínguez et al. 2016:96 [ref. 34884], Lyons et al. 2019:145 [ref. 37104]). Current status: Valid as Xenotoca melanosoma Fitzsimons 1972. Goodeidae: Goodeinae. Distribution: Southern North America: Pacific slope of central Mexico. Habitat: freshwater.