empyraeus, Orestias Allen [W. R.] in Eigenmann & Allen 1942:367, Pl. 20 (fig. 2) [Fishes of western South America; ref. 1246] Lago Junin, Peru. Holotype: CAS 44195 [ex IU 15238]. Paratypes: [orig. IU 15232-46 and 15248, now CAS]. CAS 44196-02 (10, 6, 66, 83, 8, 48, 23), 46155 (17), 46163 (35), 46356 (54), 48248 (50); INHS 44914 [ex IU 15239] (18), 44915 [ex IU 15238] (7); UMMZ 179288 [ex IU 15232] (4), 179289 [ex IU 15236] (24). Type mentioned in text as 120 mm from Lake Chinchaycocha, IU 15238. •Valid as Orestias empyraeus Allen 1942 -- (Parenti 1984:185 [ref. 5359], Ortega & Vari 1986:19 [ref. 9708], Lazara 2001:236 [ref. 25711], Costa in Reis et al. 2003:551 [ref. 27061], Esmaeili et al. 2018:18 [ref. 36738]). Current status: Valid as Orestias empyraeus Allen 1942. Cyprinodontidae: Orestiinae. Distribution: Lake Junin and upper Amazon River basin, Peru. Habitat: freshwater.