orientale, Chaetostoma Meza-Vargas [V.], Calegari [B. B.], Lujan [N. K.], Ballen [G. A.], Oyakawa [O. T.], Sousa [L. M.], Rapp Py-Daniel [L.] & Reis [R. E.] 2022:366, Figs. 1-6 [Ichthyology & Herpetology v. 110 (no. 2); ref. 39368] Maicuru River at road PA-254, Amazon River basin, Monte Alegre, Pará, Brazil, 1°36'47"S, 54°22'37"W, elevation 33 meters. Holotype: MCP 54585. Paratypes: ANSP, INPA, MCP, MPEG, MZUSP, ROM, ZUEC. •Valid as Chaetostoma orientale Meza-Vargas, Calegari, Lujan, Ballen, Oyakawa, Sousa, Rapp Py-Daniel & Reis 2022. Current status: Valid as Chaetostoma orientale Meza-Vargas, Calegari, Lujan, Ballen, Oyakawa, Sousa, Rapp Py-Daniel & Reis 2022. Loricariidae: Hypostominae. Distribution: South America: Maicuru and Seiko River drainages, lower Amazon basin, Pará, Brazil. Habitat: freshwater.