infans, Gambusia Woolman [A. J.] 1894:62, Pl. 2 [Bulletin of the U. S. Fish Commission v. 14 (art. 8) (for 1894); ref. 4804] Río Lerma at Salamanca, Mexico. Lectotype: USNM 45570. Paralectotypes: BMNH 1894.1.27.14-18 (5); FMNH 6756 (8); CAS-SU 859 (8); USNM 47508 (2), 125036 (2). Type catalog: Parenti et al. 1999:7 [ref. 24072], Böhlke 1953:55 [ref. 12291], Ibarra & Stewart 1987:37 [ref. 12367]. Lectotype selected by Jordan & Evermann 1896:680 [ref. 2443]. •Valid as Poeciliopsis infans (Woolman 1894) -- (Rosen & Bailey 1963:137 [ref. 7067], Espinosa Pérez et al. 1993:51 [ref. 22290], Parenti et al. 1999:7 [ref. 24072], Galindo-Villegas & Sosa-Lima 2002:1152 [ref. 26952], Lucinda in Reis et al. 2003:570 [ref. 27061], Nelson et al. 2004:105 [ref. 27807] dating to 1894, Lucinda & Reis 2005:43 [ref. 29205], Miller 2006:244 [ref. 28615], Scharpf 2007:21 [ref. 30398], Page et al. 2013:110 [ref. 32708], Meyer 2015:289 [ref. 34698], Huber 2019:127 [ref. 36941], Conway et al. 2019:114 [ref. 37045], Page et al. 2023:147 [ref. 40505]). Current status: Valid as Poeciliopsis infans (Woolman 1894). Poeciliidae: Poeciliinae. Distribution: Southern North America: Pacific and Atlantic slopes (Mexico). Habitat: freshwater.