pleurospilus, Girardinus Günther [A.] 1866:353 [Catalogue of the fishes in the British Museum v. 6; ref. 1983] Lake of Dueñas, Guatemala. Syntypes: BMNH 1864.1.26.180 (24), ZMB 6078 (3). Type catalog: Paepke & Seegers 1986:174 [ref. 19981]. •Synonym of Poeciliopsis gracilis (Heckel 1848) -- (Rosen & Bailey 1963:136 [ref. 7067], Lee et al. 1980:552 [ref. 22416], Lucinda in Reis et al. 2003:570 [ref. 27061]). •Valid as Poeciliopsis pleurospilus (Günther 1866) -- (Nelson et al. 2004:105 [ref. 27807], Miller 2006:247 [ref. 28615], Scharpf 2007:17 [ref. 30398], Bussing 2008:829 [ref. 29806], Matamoros et al. 2009:14 [ref. 31241], McMahan et al. 2013:448 [ref. 32422], Page et al. 2013:110 [ref. 32708], Meyer 2015:297 [ref. 34698], Romero-Berny et al. 2018:90 [ref. 35859], González-Murcia et al. 2019:297 [ref. 36544], Huber 2019:129 [ref. 36941], Conway et al. 2019:115 [ref. 37045], López-Segovia et al. 2020:111 [ref. 38151], Ward et al. 2022:7 [ref. 39030], Angulo et al. 2023:63 [ref. 40676], Barrientos et al. 2023:274 [ref. 41235], Page et al. 2023:147 [ref. 40505]). Current status: Valid as Poeciliopsis pleurospilus (Günther 1866). Poeciliidae: Poeciliinae. Distribution: Southern North America, Central America: Nicaragua, Honduras, El Salvador, Guatemala, and Mexico. Habitat: freshwater.