dispar, Pygidium Tschudi [J. J. von] 1846:22, Pl. 3 [Untersuchungen über die Fauna Peruana; ref. 4469] Streams of the Andean Cordillera, Peru, elevation to 14000 feet. Syntypes: (several) MHNN 767 (1). Type catalog: Kottelat 1984:149 [ref. 21784], Kottelat 1987:52 [ref. 25858], Ferraris 2007:417 [ref. 29155]. •Valid as Trichomycterus dispar (Tschudi 1846) -- (Ovchynnyk 1967:35 [ref. 37559], Ortega & Vari 1986:15 [ref. 9708], Burgess 1989:322 [ref. 12860], de Pinna & Wosiacki in Reis et al. 2003:281 [ref. 27061], Fernández & Chuquihuamaní 2007:55 [ref. 29320], Ferraris 2007:417 [ref. 29155], Barriga Salazar 2014:111 [ref. 35745], Valenzuela et al. 2023:95 [ref. 40815] as aff. dispar). Current status: Valid as Trichomycterus dispar (Tschudi 1846). Trichomycteridae: Trichomycterinae. Distribution: South America: Pacific slope (Ecuador and Peru). Habitat: freshwater.