falcatus, Curimatus Eigenmann [C. H.] & Eigenmann [R. S.] 1889:430 [22] [Annals of the New York Academy of Sciences v. 4 (no. 12); ref. 1254] Rio Xingu, Brazil. Lectotype: MCZ 20340. Paralectotypes: MCZ 60393 [ex MCZ 20340 in part] (2), MCZ 20189 (1). On p. 22 of separate. Lectotype selected by Vari 1989:13 [ref. 13548]. •Valid as Psectrogaster falcata (Eigenmann & Eigenmann 1889) -- (Vari 1989:15 [ref. 13548], Vari in Reis et al. 2003:58 [ref. 27061], Silvano et al. 2020:111 [ref. 38133] as cf. falcata). Current status: Valid as Psectrogaster falcata (Eigenmann & Eigenmann 1889). Curimatidae. Distribution: South America: lower portions of Amazon River basin (Brazil). Habitat: freshwater.