areolatus, Trichomycterus Valenciennes [A.] in Cuvier & Valenciennes 1846:492 [Histoire naturelle des poissons v. 18; ref. 1011] Río San Jago, Santiago, Chile. Syntypes: MNHN 0000-3167 (3), A-6310 (2). Type catalog: Bertin & Estève 1950:63 [ref. 19575], Ferraris 2007:415 [ref. 29155]. •Valid as Trichomycterus areolatus Valenciennes 1846 -- (Pequeño 1989:41 [ref. 14125], Burgess 1989:321 [ref. 12860], Ruiz & Berra 1994:14 [ref. 21384], Arratia 1998:354 [ref. 23661], de Pinna 1998:297 [ref. 23847], Dyer 2000:84 [ref. 26678] dated 1840, Fernandez 2000:352 [ref. 25077], Miquelarena & Fernández 2000:44 [ref. 27633], Fernández 2000:32 [ref. 26195], Fernández & Vari 2002:742 [ref. 26231], de Pinna & Wosiacki in Reis et al. 2003:279 [ref. 27061], López et al. 2003:39 [ref. 27366], Menni 2004:82 [ref. 28131], Ferraris 2007:415 [ref. 29155], Fernández & Vari 2012:635 [ref. 32359], Mirande & Koerber 2015:37 [ref. 35117], García-Melo et al. 2016:237 [ref. 34471], Ochoa et al. 2017:557 [ref. 35582], Mesa S. et al. 2018:110 [ref. 35987], Vilardo et al. 2023:4 [ref. 40643] as "Trichomycterus" areolatus). Current status: Valid as Trichomycterus areolatus Valenciennes 1846. Trichomycteridae: Trichomycterinae. Distribution: South America: Maipo River basin to Toltén River basin, western slopes (central Chile and Argentina). Habitat: freshwater.