ytuanama, Knodus Ferreira [K. M.] & Ohara [W. M.] 2023:366, Figs. 1-5 [Zootaxa 5227 (no. 3); ref. 39833] Rio Mutum, near the road BR-174, Comodoro, Mato Grosso, Brazil, 13°5'10.76"S, 59°53'33.76"W. Holotype: CPUFMT 7756. Paratypes: CPUFMT, INPA, MZUSP, UFRO, ZUEC. •Valid as Knodus ytuanama Ferreira & Ohara 2023 -- (Silva-Oliveira et al. 2023:1 [ref. 40192]). Current status: Valid as Knodus ytuanama Ferreira & Ohara 2023. Characidae: Stevardiinae. Distribution: South America: upper Rio Juruena drainage, Tapajós River basin, Mato Grosso, Brazil. Habitat: freshwater.