munduruku, Imparfinis Castro [Í. S.] & Wosiacki [W. B.] 2019:462, Figs. 1-4 [Zootaxa 4701 (no. 5); ref. 37139] Igarapé Bacabal, tributary of the Rio Tapajós, Vila de Penedo, Trilha MI3, Jacareacanga Municipality, Pará State, Brazil, 5°36'40.4"S, 57°7'16.6"W. Holotype: MPEG 38784. Paratypes: MPEG, MZUSP. •Valid as Imparfinis munduruku Castro & Wosiacki 2019 -- (Silva et al. 2025:150 [ref. 42054]). Current status: Valid as Imparfinis munduruku Castro & Wosiacki 2019. Heptapteridae: Heptapterinae. Distribution: South America: Tapajós and Teles Pires River drainages, Pará, Brazil. Habitat: freshwater.