psamathos, Corydoras Tencatt [L. F. C.], Ohara [W. M.], Sousa [L. M.] & Britto [M. R.] 2022:24, Figs. 11-14 [Neotropical Ichthyology v. 20 (no. 3): e220070; ref. 39741] Igarapé Santa Júlia, a tributary to the Rio Jamanxim, Tapajós basin, Novo Progresso Municipality, Pará State, Brazil, 06°45'38"S, 55°28'44"W. Holotype: MNRJ 53289. Paratypes: CITL, INPA, MZUSP, NUP. •Valid as Corydoras psamathos Tencatt, Ohara, Sousa & Britto 2022. Current status: Valid as Corydoras psamathos Tencatt, Ohara, Sousa & Britto 2022. Callichthyidae: Corydoradinae. Distribution: South America: Jamanxim River drainage, Tapajós basin, Brazil. Habitat: freshwater.