punctatissimus, Trichomycterus Castelnau [F. L.] 1855:49, Pl. 24 (fig. 3) [Animaux nouveaux or rares v. 2; ref. 766] Rio Araguay, Brazil. Holotype (unique): MNHN B-0610 (poor condition). Type catalog: Bertin & Estève 1950:62 [ref. 19575], Ferraris 2007:422 [ref. 29155]. •Valid as Trichomycterus punctatissimus Castelnau 1855 -- (Burgess 1989:322 [ref. 12860] as punctatissimum, de Pinna 1998:297 [ref. 23847], de Pinna & Wosiacki in Reis et al. 2003:283 [ref. 27061], Ferraris 2007:422 [ref. 29155]). Current status: Valid as Trichomycterus punctatissimus Castelnau 1855. Trichomycteridae: Trichomycterinae. Distribution: Araguaia River basin, Brazil. Habitat: freshwater.