hypnos, Corydoras Tencatt [L. F. C.], Ohara [W. M.], Sousa [L. M. de] & Britto [M. R.] 2022:15, Figs. 7-10 [Neotropical Ichthyology v. 20 (no. 3): e220070; ref. 39741] Rio Jamanxim, a tributary to the rio Tapajós, Novo Progresso Municipality, Pará State, Brazil, 08°23'00"S, 55°19'08"W. Holotype: MNRJ 53288. Paratypes: CITL, INPA, MZUSP, NUP. •Valid as Hoplisoma hypnos (Tencatt, Ohara, Sousa & Britto 2022). Current status: Valid as Hoplisoma hypnos (Tencatt, Ohara, Sousa & Britto 2022). Callichthyidae: Corydoradinae. Distribution: South America: Jamanxim River drainage, Tapajós River basin, Brazil. Habitat: freshwater.