piacotensis, Orestias Vila [I.] 2006:473, Figs. 1-2 [Copeia 2006 (no. 3); ref. 28797] Eastern littoral zone of Laguna Piacota, 18°11'49.8"S, 69°15'56.9"W, Arica County, Chile. elevation 4400 meters. Holotype: MNHNC P7222. Paratypes: MNHNC P7223 (1), P7224 (20+, number not given). •Valid as Orestias piacotensis Vila 2006 -- (Vila et al. 2012:352 [ref. 31748], Arratia et al. 2017:S2 [ref. 35512], Esmaeili et al. 2018:22 [ref. 36738]). Current status: Valid as Orestias piacotensis Vila 2006. Cyprinodontidae: Orestiinae. Distribution: Lake Piacota at the Altiplano, Parinacota Province, Chilean Altiplano. Habitat: freshwater.