atahualpa, Paracetopsis Vari [R. P.], Ferraris [C. J., Jr.] & de Pinna [M. C. C.] 2005:223, Fig. 54 [Neotropical Ichthyology v. 3 (no. 2); ref. 28270] Río Tumbes, Cabo Inga (3°58'00"S, 80°24'59"W), Tumbes, Peru. Holotype: MUSM 11560. Paratypes: MUSM 5507 (1), 5508 (1), 16360 (2); USNM 83530 (1), 361717 (1). Type catalog: Ferraris 2007:135 [ref. 29155]. •Valid as Paracetopsis atahualpa Vari, Ferraris & de Pinna 2005 -- (de Pinna et al. 2007:803 [ref. 29247], Ferraris 2007:135 [ref. 29155], Barriga Salazar 2014:110 [ref. 35745], Jiménez-Prado et al. 2015:192 [ref. 34894], Valenzuela et al. 2023:95 [ref. 40815]). Current status: Valid as Paracetopsis atahualpa Vari, Ferraris & de Pinna 2005. Cetopsidae: Cetopsinae. Distribution: South America: Pacific slope (Peru and Ecuador). Habitat: freshwater.