nuchalis, Pimelodella Cortés-Hernández [M. A.], Conde-Saldaña [C. C.], Bermúdez-Casas [K. V.], Villa-Navarro [F. A.] & DoNascimiento [C.] 2025:Figs. 1-3A, 4-5 [Neotropical Ichthyology v. 23 (no. 2); ref. 42316] Isla Chamochina, border between Colombia and Venezuela, Río Atabapo, Guainía, Colombia, 03°46'57.11"N, 67°37'59.1"W. Holotype: CZUT-IC 27776. Paratypes: CIACOL, CZUT-IC, IAVHP. •Valid as Pimelodella nuchalis Cortés-Hernández, Conde-Saldaña, Bermúdez-Casas, Villa-Navarro & DoNascimiento 2025. Current status: Valid as Pimelodella nuchalis Cortés-Hernández, Conde-Saldaña, Bermúdez-Casas, Villa-Navarro et al. 2025. Heptapteridae: Rhamdiinae. Distribution: South America: Atabapo, Inírida and Tomo River drainages, Orinoco River basin, and upper Negro and Caquetá River drainages, western Amazon basin, Colombia and Venezuela. Habitat: freshwater.