polonorum, Orestias Tchernavin [V. V.] 1944:195, Fig. 12 [Proceedings of the Zoological Society of London v. 114 (pts 1-2); ref. 13185] Lake Junin, Peru. Holotype: BMNH 1944.6.6.223. Paratypes: (5) BMNH 1875.10.5.4-7 (4). Holotype established in caption to Fig. 12 (see Parenti 1984:188 [ref. 5359]). •Valid as Orestias polonorum Tchernavin 1944 -- (Parenti 1984:188 [ref. 5359], Ortega & Vari 1986:19 [ref. 9708], Lazara 2001:240 [ref. 25711], Costa in Reis et al. 2003:553 [ref. 27061], Sarmiento et al. 2014:187 [ref. 35004], Esmaeili et al. 2018:22 [ref. 36738]). Current status: Valid as Orestias polonorum Tchernavin 1944. Cyprinodontidae: Orestiinae. Distribution: Lake Junin, Peru and Bolivia. Habitat: freshwater.