laucaensis, Trichomycterus Arratia [G.] 1983:74, Fig. 8 [Studies on Neotropical Fauna and Environment v. 18 (no. 2); ref. 8378] Río Lauca system, Parinacota, northern Chile, elevation 4390 meters. Holotype: FFSUC IC 160878A. Paratypes: FFSUC IC 160878B, 190579A, 190579B, 280878A, 280878B. Type catalog: Ferraris 2007:420 [ref. 29155]. •Valid as Trichomycterus laucaensis Arratia 1983 -- (Burgess 1989:322 [ref. 12860], Pequeño 1989:41 [ref. 14125], Dyer 2000:84 [ref. 26678], Fernández & Vari 2000:993 [ref. 25017], de Pinna & Wosiacki in Reis et al. 2003:282 [ref. 27061], Fernádez & Schaefer 2003:357 [ref. 27407], Fernández & Chuquihuamaní 2007:55 [ref. 29320], Ferraris 2007:420 [ref. 29155], García-Melo et al. 2016:237 [ref. 34471], Mesa S. et al. 2018:110 [ref. 35987]). Current status: Valid as Trichomycterus laucaensis Arratia 1983. Trichomycteridae: Trichomycterinae. Distribution: Lauca River basin, Chile. Habitat: freshwater.