megalops, Pimelodella Eigenmann [C. H.] 1912:169, Pl. 15 (fig. 2) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Tumatumari, Guyana. Holotype: FMNH 53231 [ex CM 1692]. Paratypes: (59) BMNH 1911.10.31.50-53 (4); CAS 63717 [ex IU 12066] (5); FMNH 7387 (2), 53232-33 (32, 1); CAS-SU 21899 (2); MCZ 30075 (1); USNM 66262 [ex CM 1693] (2); ZMA 110629 (2). Additional material: CAS 63718 [ex IU 12067] (3). Type catalog: Henn 1928:77 [ref. 12305], Böhlke 1953:44 [ref. 12291], Nijssen et al. 1982:60 [ref. 19236], Ibarra & Stewart 1987:66 [ref. 12367], Ferraris 2007:193 [ref. 29155]. Appeared first as name only in Eigenmann 1910:389 [ref. 1224]. •Valid as Pimelodella megalops Eigenmann 1912 -- (Mees 1986:313 [ref. 5693], Burgess 1989:281 [ref. 12860], Le Bail et al. 2000:138 [ref. 24549], Bockmann & Guazzelli in Reis et al. 2003:419 [ref. 27061], Ferraris 2007:193 [ref. 29155], Slobodian et al. 2017:96 [ref. 35643], Cortés-Hernández et al. 2020:504 [ref. 37629], Taphorn et al. 2022:49 [ref. 41297]). Current status: Valid as Pimelodella megalops Eigenmann 1912. Heptapteridae: Rhamdiinae. Distribution: South America: Approuague, Essequibo and Tomo River basins (Colombia, French Guiana and Guyana). Habitat: freshwater.