hnilickai, Poeciliopsis Meyer [M. K.] & Vogel [D.] 1981:358, Figs. 1-3 [Senckenbergiana Biologica v. 61 (nos 5/6) (1980); ref. 8570] Mountain creek 1 kilometer west of Ixtapa, Chiapas, Mexico. Holotype: SMF 15526. Paratypes: SMF 15527-34 (8). •Valid as Poeciliopsis hnilickai Meyer & Vogel 1981 -- (Espinosa Pérez et al. 1993:51 [ref. 22290], Lucinda in Reis et al. 2003:570 [ref. 27061], Nelson et al. 2004:105 [ref. 27807], Lucinda & Reis 2005:43 [ref. 29205], Miller 2006:243 [ref. 28615], Scharpf 2007:17 [ref. 30398], Page et al. 2013:110 [ref. 32708], Meyer 2015:288 [ref. 34698], Huber 2019:127 [ref. 36941], Barrientos et al. 2023:274 [ref. 41235], Page et al. 2023:147 [ref. 40505]). Current status: Valid as Poeciliopsis hnilickai Meyer & Vogel 1981. Poeciliidae: Poeciliinae. Distribution: Southern North America, Central America: Atlantic slope (Mexico and Guatemala). Habitat: freshwater.