mucosa, Platystoma Vaillant [L. L.] 1880:151 [10] [Bulletin de la Société philomathique de Paris (7th Série) v. 4; ref. 17855] Upper Amazon at Calderon, Brazil. Holotype (unique): MNHN A-1955. Type catalog: Bertin & Estève 1950:58 [ref. 19575], Ferraris 2007:340 [ref. 29155]. On p. 10 of separate. •Valid as Platystomatichthys mucosus (Vaillant 1880) -- (Burgess 1989:282 [ref. 12860]). •Valid as Platysilurus mucosus (Vaillant 1880) -- (Lundberg & Littmann in Reis et al. 2003:441 [ref. 27061], Ferraris 2007:340 [ref. 29155], Sarmiento et al. 2014:192 [ref. 35004], DoNascimiento et al. 2017:94 [ref. 35633], Urbano-Bonilla et al. 2018:80 [ref. 35773], Grant 2021:103 [ref. 38702], Meza-Vargas et al. 2021:23 [ref. 39298], Lasso et al. in Lasso & Morales-Betancourt 2022:248 [ref. 40783]). Current status: Valid as Platysilurus mucosus (Vaillant 1880). Pimelodidae. Distribution: South America: Amazon and Orinoco River basins (Bolivia, Brazil, Colombia, Peru and Venezuela). Habitat: freshwater.