prolifica, Poeciliopsis Miller [R. R.] 1960:5, Pl. 2 C-D [Occasional Papers of the Museum of Zoology University of Michigan No. 619; ref. 10418] Arroyo Sonolona, tributary to Río Culiacán, 18.5 miles by road east of Culiacán, Sinaloa, northwestern Mexico, 24°48'N, 107°08'W. Holotype: UMMZ 177272. Paratypes: (462) UMMZ 177273 (1, allotype), 172267 (orig. 461); USNM 196174 [ex UMMZ 173367] (11). Type catalog: Parenti et al. 1999:16 [ref. 24072]. •Valid as Poeciliopsis prolifica Miller 1960 -- (Rosen & Bailey 1963:138 [ref. 7067], Espinosa Pérez et al. 1993:52 [ref. 22290], Parenti et al. 1999:16 [ref. 24072], Lucinda in Reis et al. 2003:571 [ref. 27061], Nelson et al. 2004:105 [ref. 27807], Lucinda & Reis 2005:43 [ref. 29205], Miller 2006:248 [ref. 28615], Scharpf 2007:21 [ref. 30398], Minckley & Marsh 2009:250 [ref. 31114], Page et al. 2013:110 [ref. 32708], Meyer 2015:300 [ref. 34698], Huber 2019:130 [ref. 36941], Conway et al. 2019:114 [ref. 37045]). Current status: Valid as Poeciliopsis prolifica Miller 1960. Poeciliidae: Poeciliinae. Distribution: Pacific slope of central Mexico. Habitat: freshwater, brackish.