teaguei, Trachycorystes Devincenzi [G. J.] in Devincenzi & Teague 1942:37, Pl. 7 (figs. 1-2) [Anales del Museo Nacional de Historia Natural de Montevideo (Serie 2) v. 5 (no. 4); ref. 12268] Río Queguay of Río Uruguay, Paysandú, Uruguay. Holotype: MHNM CI 350. Paratypes: BMNH 1946.4.19.1 (1) (as syntype), MHNM CI 350 (1, female). Type catalog: Olazarri et al. 1970:4 [ref. 23527], Ferraris 2007:80 [ref. 29155], Loureiro et al. 2016:412 [ref. 35150]. •Valid as Parauchenipterus teaguei (Devincenzi 1942) -- (Burgess 1989:242 [ref. 12860], Gómez & Chebez 1996:58 [ref. 23791]). •Valid as Trachelyopterus teaguei (Devincenzi 1942) -- (Bertoletti et al. 1992:170 [ref. 22128], Bertoletti et al. 1995:71 [ref. 21959], Ferraris in Reis et al. 2003:478 [ref. 27061], López et al. 2003:56 [ref. 27366], Menni 2004:83 [ref. 28131], Ferraris 2007:80 [ref. 29155], Litz & Koerber 2014:18 [ref. 33622], Sarmiento et al. 2014:190 [ref. 35004], Mirande & Koerber 2015:30 [ref. 35117], Bertaco et al. 2016:416 [ref. 34561], Nión et al. 2016:33 [ref. 35565], Calegari et al. 2019:[90] [ref. 36961], Loureiro et al. 2023:122 [ref. 40506]). Current status: Valid as Trachelyopterus teaguei (Devincenzi 1942). Auchenipteridae: Auchenipterinae. Distribution: South America: Uruguay River basin (Argentina, Bolivia and Uruguay). Habitat: freshwater.