elongata, Poecilia Günther [A.] 1866:342 [Catalogue of the fishes in the British Museum v. 6; ref. 1983] Panama. Holotype (unique): BMNH 1866.1.14.23. •Valid as Poeciliopsis elongata (Günther 1866) -- (Rosen & Bailey 1963:139 [ref. 7067], Bussing 1987:148 [ref. 22927], Allen & Robertson 1994:91 [ref. 22193], Bussing 1998:223 [ref. 24179], Lucinda in Reis et al. 2003:570 [ref. 27061], Lucinda & Reis 2005:43 [ref. 29205], Angulo et al. 2013:997 [ref. 33194], Meyer 2015:284 [ref. 34698], Huber 2019:126 [ref. 36941], Angulo et al. 2020:6 [ref. 37425]). Current status: Valid as Poeciliopsis elongata (Günther 1866). Poeciliidae: Poeciliinae. Distribution: Central America: Pacific drainages of Costa Rica and Panama. Habitat: freshwater, brackish, marine.