laucaensis, Orestias Arratia [G.] 1982:103, Fig. 5B [Peces del Altiplano de Chile v. 1; ref. 22500] Río Lauca, Parinacota, Chile, elevation about 4300 meters. Holotype: DBCUCH 160879. Paratypes: DBCUCH 160879 and 170480 (?); MNHNC P.6026 (1). Type catalog: Meléndez C. et al. 1993:110 [ref. 24124] as tipo [could be holotype]. •Synonym of Orestias agassii Valenciennes 1846 -- (Lüssen et al. 2004:59 [ref. 29603]). •Valid as Orestias laucaensis Arratia 1982 -- (Parenti 1984:190 [ref. 5359], Pequeño 1989:50 [ref. 14125], Dyer 2000:85 [ref. 26678], Lazara 2001:238 [ref. 25711], Vila 2006:475 [ref. 28797], Vila et al. 2012:352 [ref. 31748], Arratia et al. 2017:S2 [ref. 35512], Esmaeili et al. 2018:20 [ref. 36738]). Current status: Valid as Orestias laucaensis Arratia 1982. Cyprinodontidae: Orestiinae. Distribution: Lauca River basin, Chilean Altiplano. Habitat: freshwater.