Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Species in the genus Eurycheilichthys: [ 9 ] records

apocremnus, Eurycheilichthys Reis [R. E.] 2017:[9], Figs. 2c, 8 [Neotropical Ichthyology v. 15 (no. 1); ref. 35226] Creek tributary to rio Fão, rio Taquari basin, ca. 7 km north of Barros Cassal, Rio Grande do Sul, Brazil, 29°03'09"S, 52°34'50"W, elevation above 400 meters. Holotype: MCP 40660. Paratypes: AMNH, MCP, MZUSP. •Valid as Eurycheilichthys apocremnus Reis 2017 -- (Delapiewe et al. 2023:2 [ref. 40645]). Current status: Valid as Eurycheilichthys apocremnus Reis 2017. Loricariidae: Hypoptopomatinae. Distribution: South America: Rio Forqueta drainage, Taquari-Antas basin (Rio Grande do Sul, Brazil). Habitat: freshwater.

castaneus, Eurycheilichthys Reis [R. E.] 2017:[11], Figs. 2d, 9 [Neotropical Ichthyology v. 15 (no. 1); ref. 35226] Arroio Burro Preto, tributary to rio Guaporé, rio Taquari basin, on road RS-324, between Passo Fundo and Marau, Marau, Rio Grande do Sul, Brazil, 28°21'29"S, 52°15'51"W, elevation above 400 meters. Holotype: MCP 40664. Paratypes: AMNH, MCP, MZUSP. Plus additional non-type material. •Valid as Eurycheilichthys castaneus Reis 2017 -- (Delapiewe et al. 2023:2 [ref. 40645]). Current status: Valid as Eurycheilichthys castaneus Reis 2017. Loricariidae: Hypoptopomatinae. Distribution: South America: Rio Guaporé drainage, Taquari-Antas basin (Rio Grande do Sul, Brazil). Habitat: freshwater.

coryphaenus, Eurycheilichthys Reis [R. E.] 2017:[13], Figs. 2e, 3, 10 [Neotropical Ichthyology v. 15 (no. 1); ref. 35226] Arroio Contendas, rio Taquari basin, Tainhas, Rio Grande do Sul, Brazil, approximately 29°17'S, 50°14'W, elevation above 400 meters. Holotype: MCP 40665. Paratypes: AMNH, MCP, MNRJ, MZUSP, UFRGS. Plus additional non-type material. •Valid as Eurycheilichthys coryphaenus Reis 2017 -- (Delapiewe et al. 2023:2 [ref. 40645], Gomes et al. 2024:82 [ref. 42631]). Current status: Valid as Eurycheilichthys coryphaenus Reis 2017. Loricariidae: Hypoptopomatinae. Distribution: South America: Rio das Antas drainage, Taquari-Antas basin, Rio Grande do Sul (Brazil). IUCN (2025): Not Assessed. Habitat: freshwater.

limulus, Eurycheilichthys Reis [R. E.] & Schaefer [S. A.] 1998:15, Fig. 7 [American Museum Novitates No. 3254; ref. 23691] Rio Jacuí on road RS-010, between Marau and Passo Fundo, 28°18'S, 52°18'W, Rio Grande do Sul State, Brazil. Holotype: MCP 20283. Paratypes: ANSP 168965 (28, 5 c&s); MCP 13086 (48, 2 c&s), 14528 (1). Type catalog: Ferraris 2007:236 [ref. 29155]. •Valid as Eurycheilichthys limulus Reis & Schaefer 1998 -- (Isbrücker 2001:27 [ref. 25653], Isbrücker 2002:15 [ref. 27178], Schaefer in Reis et al. 2003:322 [ref. 27061], Ferraris 2007:236 [ref. 29155], Bertaco et al. 2016:417 [ref. 34561], Reis 2017:[6] [ref. 35226], Delapiewe et al. 2023:2 [ref. 40645]). Current status: Valid as Eurycheilichthys limulus Reis & Schaefer 1998. Loricariidae: Hypoptopomatinae. Distribution: South America: upper Jacuí River drainage (Rio Grande do Sul State, Brazil). Habitat: freshwater.

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.

pantherinus, Eurycheilus Reis [R. E.] & Schaefer [S. A.] 1992:217, Figs. 1-5 [Copeia 1992 (no. 1); ref. 17477] Creek tributary of Rio Dos Touros, about 28°42'S, 50°10'W, Rio Grande do Sul, Brazil. Holotype: MCP 13077. Paratypes: ANSP 164290 (2, 1 c&s), 165558 (1, c&s); MCP 13079 (2), 13590 (1), 13591 (1, c&s); MZUSP 40337 (1); USNM 306523 (2). Type catalog: Ferraris 2007:236 [ref. 29155]. •Valid as Eurycheilichthys pantherinus (Reis & Schaefer 1992) -- (Reis & Schaefer 1993:894 [ref. 20934], Burgess & Finley 1996:169 [ref. 22901], Isbrücker 2001:27 [ref. 25653], Isbrücker 2002:15 [ref. 27178], Schaefer in Reis et al. 2003:322 [ref. 27061], Ferraris 2007:236 [ref. 29155], Carvalho & Reis 2009:2 [ref. 30193], Azpelicueta & Koerber 2014:1210 [ref. 33620], Koerber 2014:9 [ref. 33621], Mirande & Koerber 2015:41 [ref. 35117], Bertaco et al. 2016:417 [ref. 34561], Reis 2017:[4] [ref. 35226], Delapiewe et al. 2023:2 [ref. 40645]). Current status: Valid as Eurycheilichthys pantherinus (Reis & Schaefer 1992). Loricariidae: Hypoptopomatinae. Distribution: South America: upper Uruguay River basin, Brazil and Argentina. Habitat: freshwater.

paucidens, Eurycheilichthys Reis [R. E.] 2017:[19], Figs. 1, 2g, 13 [Neotropical Ichthyology v. 15 (no. 1); ref. 35226] Arroio Tavoqua, rio Taquari basin, near fazenda Cambará, Muitos Capões, Rio Grande do Sul, Brazil, 28°21'51"S, 51°17'53"W, elevation above 400 meters. Holotype: MCP 40661. Paratypes: AMNH, MCN, MCP, MNRJ, MZUSP, UFRGS. Plus additional non-type material. •Valid as Eurycheilichthys paucidens Reis 2017 -- (Delapiewe et al. 2023:2 [ref. 40645], Gomes et al. 2024:84 [ref. 42631]). Current status: Valid as Eurycheilichthys paucidens Reis 2017. Loricariidae: Hypoptopomatinae. Distribution: South America: Rio Taquari drainage, Taquari-Antas basin , Rio Grande do Sul (Brazil). IUCN (2025): Not Assessed. Habitat: freshwater.

planus, Eurycheilichthys Reis [R. E.] 2017:[22], Figs. 2h, 14 [Neotropical Ichthyology v. 15 (no. 1); ref. 35226] Rio da Prata at Passo do Respraiado, rio Taquari basin, on road from Guabiju to André da Rocha, Guabiju, Rio Grande do Sul, Brazil, 28°38'04"S, 51°36'53"W, elevation above 400 meters. Holotype: MCP 40663. Paratypes: AMNH, MCP, MZUSP, UFRGS. Plus additional non-type material. •Valid as Eurycheilichthys planus Reis 2017 -- (Delapiewe et al. 2023:2 [ref. 40645]). Current status: Valid as Eurycheilichthys planus Reis 2017. Loricariidae: Hypoptopomatinae. Distribution: South America: Rio das Antas drainage, Taquari-Antas basin (Rio Grande do Sul, Brazil). Habitat: freshwater.

vacariensis, Eurycheilichthys Reis [R. E.] 2017:[24], Figs. 2i, 15 [Neotropical Ichthyology v. 15 (no. 1); ref. 35226] Arroio Espeto, also known as rio Soares, rio Taquari basin, on road from Muitos Capões to Vacaria, Muitos Capões, Rio Grande do Sul, Brazil, 28°23'26"S, 51°03'22"W, elevation above 400 meters. Holotype: MCP 40659. Paratypes: AMNH, MCP, MZUSP. Plus additional non-type material. •Valid as Eurycheilichthys vacariensis Reis 2017 -- (Delapiewe et al. 2023:2 [ref. 40645]). Current status: Valid as Eurycheilichthys vacariensis Reis 2017. Loricariidae: Hypoptopomatinae. Distribution: South America: Rio das Antas drainage, Taquari-Antas basin (Rio Grande do Sul, Brazil). Habitat: freshwater.