robustus, Imparfinis Cortés-Hernández [M. Á.], López-Castaño [J. A.], Milani [N.] & DoNascimiento [C.] 2023:3, Figs. 3-4, 5b, 6 [Journal of Fish Biology v. 103 (no. 5); ref. 40341] Guayuriba River, Villavicencio, Meta, Colombia, 4°03'17.8"N, 73°45'58.2"W, elevation 480 meters. Holotype: MHNU-I 1031. Paratypes: IAVHP, ICNMHN, MHNU-I, MPUJ. Plus additional non-type material. •Valid as Imparfinis robustus Cortés-Hernández, López-Castaño, Milani & DoNascimiento 2023. Current status: Valid as Imparfinis robustus Cortés-Hernández, López-Castaño, Milani & DoNascimiento 2023. Heptapteridae: Heptapterinae. Distribution: South America: Apure and Meta River drainages, Orinoco River basin, Colombia and Venezuela. Habitat: freshwater.