wesselii, Pimelodus (Pseudorhamdia) Steindachner [F.] 1877:614 [56] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 74 (1. Abth.); ref. 4224] Essequibo River, Guyana. Holotype (unique): NMW 79188. Type catalog: Ferraris 2007:195 [ref. 29155]. •Valid as Pimelodella wesselii (Steindachner 1877) -- (Bockmann & Guazzelli in Reis et al. 2003:421 [ref. 27061], Ferraris 2007:195 [ref. 29155], Slobodian et al. 2017:98 [ref. 35643], Taphorn et al. 2022:49 [ref. 41297]). Current status: Valid as Pimelodella wesselii (Steindachner 1877). Heptapteridae: Rhamdiinae. Distribution: South America: Essequibo River basin (Guyana) endemic. Habitat: freshwater.