pauciradiatum, Megalonema Eigenmann [C. H.] in Driver 1919:455 [Proceedings of the American Philosophical Society v. 58 (no. 7); ref. 12423] Villa Rica, Paraguay. Holotype: CAS 63672 [ex IU 15029]. Paratypes: CAS 63673 [ex IU 15029] (3). Type catalog: Ferraris 2007:335 [ref. 29155]. Author is C. H. Eigenmann. •Valid as Megalonema pauciradiatum Eigenmann 1919 -- (Burgess 1989:275 [ref. 12860], Lundberg & Littmann in Reis et al. 2003:437 [ref. 27061], Ferraris 2007:335 [ref. 29155], Sarmiento et al. 2014:192 [ref. 35004], Koerber et al. 2017:48 [ref. 35267]). Current status: Valid as Megalonema pauciradiatum Eigenmann 1919. Pimelodidae. Distribution: Paraná River basin, Paraguay and Bolivia. Habitat: freshwater.