nigropunctatus, Imparfinis Silva [G. S. C.], Lopes [M. M.], Carvalho [K. R.], Oliveira [C.] & Sarmento-Soares [L. M.] 2026:268, Figs. 3b, 6 [Zootaxa 5814 (no. 2); ref. 43102] Alto Araguaia, Goiás, Brazil, 17°24'36.0"S, 53°22'26"W. Holotype: DZSJRP 3087. Paratypes: LBP, MZUSP. •Valid as Imparfinis nigropunctatus Silva, Lopes, Carvalho, Oliveira & Sarmento-Soares 2026. Current status: Valid as Imparfinis nigropunctatus Silva, Lopes, Carvalho, Oliveira & Sarmento-Soares 2026. Heptapteridae: Heptapterinae. Distribution: South America: upper Araguaia River basin, Brazil. Habitat: freshwater.