guajajara, Knodus Aguiar [R. G.], Brito [P. S. de], Ottoni [F. P.] & Guimarães [E. C.] in Aguiar, Guimarães, Brito, Santos, Katz, Dia et al. 2022:7, Figs. 1-4 [Neotropical Ichthyology v. 20 (no. 2): e210173; ref. 39329] Igarapé Arapapá, Pindaré River drainage, Mearim River basin, Alto Alegre do Pindaré municipality, Maranhão State, Brazil, 03°42'26"S, 46°00'25"W. Holotype: CICCAA 4883. Paratypes: CICCAA, CIUEMA, LBP, UFRJ. •Valid as Knodus guajajara Aguiar, Brito, Ottoni & Guimarães 2022 -- (Koerber et al. 2023:4 [ref. 40665], Vieira et al. 2023:17 [ref. 40759]). Current status: Valid as Knodus guajajara Aguiar, Brito, Ottoni & Guimarães 2022. Characidae: Stevardiinae. Distribution: South America: Mearim and Munim River drainages, Maranhão (Brazil). Habitat: freshwater.