Species that contain: Poeciliopsis and occidentalis [ 3 ] records

occidentalis, Heterandria Baird [S. F.] & Girard [C. F.] 1853:390 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 6; ref. 15636] Río Santa Cruz of the Río Gila, Mexico [not Rio Santa Cruz, Tucson, Arizona, U.S.A.]. Syntypes: ANSP 6972 (1). Type catalog: Böhlke 1984:144 [ref. 13621]. •Valid as Poeciliopsis occidentalis (Baird & Girard 1853) -- (Rosen & Bailey 1963:137 [ref. 7067], Lee et al. 1980:553 [ref. 22416], Page & Burr 1991:239 [ref. 18983], Espinosa Pérez et al. 1993:52 [ref. 22290], Swift et al. 1993:123 [ref. 22379], Fuller et al. 1999:315 [ref. 25838], Lucinda in Reis et al. 2003:570 [ref. 27061], Nelson et al. 2004:105 [ref. 27807], Lucinda & Reis 2005:43 [ref. 29205], Miller 2006:246 [ref. 28615], Scharpf 2007:21 [ref. 30398] with subspecies, Minckley & Marsh 2009:246 [ref. 31114], Page & Burr 2011:451 [ref. 31215], Page et al. 2013:110 [ref. 32708], Meyer 2015:293 [ref. 34698], Huber 2019:129 [ref. 36941], Conway et al. 2019:114 [ref. 37045]). Current status: Valid as Poeciliopsis occidentalis (Baird & Girard 1853). Poeciliidae: Poeciliinae. Distribution: New Mexico and Arizona (U.S.A.) and Pacific slope of northern Mexico. Habitat: freshwater.

psammophilus, Arizonichthys Nichols [J. T.] 1940:1 [American Museum Novitates No. 1084; ref. 3181] 3.5 miles east of Tanque Verde, Pima County, Arizona, U.S.A. Holotype: AMNH 15373 (not found in 1996). No diagnosis, so the name could be treated as not available, Huber 2019:130 [ref. 36941]. •Species inquirenda in Poeciliidae -- (Lucinda in Reis et al. 2003:575 [ref. 27061]). •Synonym of Poeciliopsis occidentalis (Baird & Girard 1853) -- (Minckley & Marsh 2009:249 [ref. 31114], Huber 2019:130 [ref. 36941]). Current status: Synonym of Poeciliopsis occidentalis (Baird & Girard 1853). Poeciliidae: Poeciliinae. Habitat: freshwater.

sonoriensis, Girardinus Girard [C. F.] 1859:120 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 11; ref. 27410] San Bernardino Creek, tributary of Río Yaqui, Sonora, Mexico. Syntypes: MCZ 1310 (1), 1461 (1). •Synonym of Poeciliopsis occidentalis (Baird & Girard 1853), but a valid subspecies -- (Lee et al. 1980:553 [ref. 22416], Fuller et al. 1999:315 [ref. 25838], Scharpf 2007:21 [ref. 30398], Meyer 2015:295 [ref. 34698]). •Synonym of Poeciliopsis occidentalis (Baird & Girard 1853) -- (Rosen & Bailey 1963:137 [ref. 7067], Lucinda in Reis et al. 2003:570 [ref. 27061]). •Valid as Poeciliopsis sonoriensis (Girard 1859) -- (Miller 2006:249 [ref. 28615], Minckley & Marsh 2009:252 [ref. 31114], Page & Burr 2011:451 [ref. 31215], Huber 2019:131 [ref. 36941]). Current status: Valid as Poeciliopsis sonoriensis (Girard 1859). Poeciliidae: Poeciliinae. Distribution: Río Yaqui system, Arizona (U.S.A.) and Mexico. Habitat: freshwater.