luisae, Eurycheilichthys Reis [R. E.] 2017:[15], Figs. 2f, 12 [Neotropical Ichthyology v. 15 (no. 1); ref. 35226] Arroio Três Pontes, rio Taquari basin, on road from Soledade to Arvorezinha, ca. 18 km SE of road BR-386, Arvorezinha, Rio Grande do Sul, Brazil, 28°48'24"S, 52°18'14"W, elevation above 400 meters. Holotype: MCP 40662. Paratypes: AMNH, MCP, MZUSP. Plus additional non-type material. •Valid as Hisonotus luisae (Reis 2017) -- (Roxo et al. 2019:160 [ref. 36538]). •Valid as Eurycheilichthys luisae Reis 2017 -- (Delapiewe et al. 2023:2 [ref. 40645]). Current status: Valid as Eurycheilichthys luisae Reis 2017. Loricariidae: Hypoptopomatinae. Distribution: South America: Rio Taquari basin (Rio Grande do Sul, Brazil). Habitat: freshwater.