irwini, Percilia Eigenmann [C. H.] 1928:63, Pls. 13 (fig. 2), 16 (fig. 1) [Memoirs of the National Academy of Sciences v. 22 (no. 2); ref. 1245] Río Nonguen, Concepción, Chile. Holotype: CAS 49919 [ex IU 15514]. Paratypes: (many) CAS 49920 [ex IU 15514] (31); USNM 167728 (7). Type established in Pl. 8 (if identifiable). •Valid as Percilia irwini Eigenmann 1928 -- (Arratia 1982:29 [ref. 143], Pequeño 1989:59 [ref. 14125], Ruiz & Berra 1994:14 [ref. 21384], Dyer 2000:85 [ref. 26678] dated 1927, Arratia in Reis et al. 2003:598 [ref. 27061] dated 1927, Arratia in Reis et al. 2003:598 [ref. 27061] dated 1927). Current status: Valid as Percilia irwini Eigenmann 1928. Perciliidae. Distribution: Malleco and Bio-Bio River basins, Chile. Habitat: freshwater.