elongatus, Pimelodus Günther [A.] 1860:238 [6], Pl. 10 (fig. B) [Proceedings of the Zoological Society of London 1860 (pt 2) (art. 8); ref. 18211] Esmeraldas, western Ecuador. Syntypes: BMNH 1860.6.16.182-185 (4), 1860.6.16.186-189 (4) Esmeraldas, BMNH 1860.6.16.191 and 194 no locality. Type catalog: Ferraris 2007:191 [ref. 29155]. On p. 6 of separate. •Valid as Pimelodella elongata (Günther 1860) -- (Ovchynnyk 1967:34 [ref. 37559], Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:280 [ref. 12860], Bockmann & Guazzelli in Reis et al. 2003:418 [ref. 27061], Ferraris 2007:191 [ref. 29155], Barriga Salazar 2014:114 [ref. 35745], Jiménez-Prado et al. 2015:180 [ref. 34894], Slobodian et al. 2017:95 [ref. 35643], Conde-Saldaña et al. 2019:570 [ref. 36962], Siccha-Ramirez et al. 2023:140 [ref. 40816], Valenzuela et al. 2023:95 [ref. 40815]). Current status: Valid as Pimelodella elongata (Günther 1860). Heptapteridae: Rhamdiinae. Distribution: South America: Esmeraldas Riverand Tumbes River basins (Ecuador and Peru). Habitat: freshwater.