lastarriae, Oriastes Philippi [R. A.] 1876:261 [Anales de la Universidad de Chile 48 (sec. 1); ref. 12724] Lakes east of Lima, Peru, depth 4500 meters. Syntypes: whereabouts unknown. Original genus should have been Orestias. •Senior synonym of Orestias elegans Garman 1895 and probably a junior synonym of Orestias agassizii Valenciennes 1846 -- (Huber 2000:49 [ref. 24475] retaining the spelling lastarriae). •Valid as Orestias lastarriae Philippi 1876 -- (Lazara 2001:238 [ref. 25711], Esmaeili et al. 2018:20 [ref. 36738]). •Species inquirenda in Orestias -- (Costa in Reis et al. 2003:550 [ref. 27061]). Cyprinodontidae: Orestiinae. Distribution: Peru. Habitat: freshwater.