noxium, Hoplisoma Tencatt [L. F. C.], Ohara [W. M.], Carvalho [V.], Grant [S.] & Britto [M.] 2025:6, Figs. 1-3A, 4-14, 17-18 [Neotropical Ichthyology v. 23 (no. 1): e240100; ref. 42064] Igarapé do Buriti (locally known as igarapé Sonrizal), rio Tapajós basin, Jacareacanga, Pará, Brazil, approximately 06°13'S, 57°55'W. Holotype: MNRJ 55759. Paratypes: CITL, CPUFMT, INPA, MNRJ, NUP. •Valid as Hoplisoma noxium Tencatt, Ohara, Carvalho, Grant & Britto 2025. Current status: Valid as Hoplisoma noxium Tencatt, Ohara, Carvalho, Grant & Britto 2025. Callichthyidae: Corydoradinae. Distribution: South America: Tapajós River drainage, Amazon basin, Pará State, Brazil. Habitat: freshwater.