hasemani, Pygidium Eigenmann [C. H.] 1914:48 [Indiana University Studies No. 20; ref. 1230] Santarém, Pará State, Brazil. Holotype: FMNH 56424 [ex CM 5238]. Paratypes: (numerous, CM and IU) CAS 64584 [ex IU 13334, CM 5239] (36), FMNH 56425 (312). Type catalog: Henn 1928:80 [ref. 12305], Ibarra & Stewart 1987:73 [ref. 12367], Ferraris 2007:418 [ref. 29155]. •Valid as Trichomycterus hasemani (Eigenmann 1914) -- (Burgess 1989:322 [ref. 12860], de Pinna 1998:298 [ref. 23847], Fernández & Bichuette 2002:278 [ref. 26539], de Pinna & Wosiacki in Reis et al. 2003:281 [ref. 27061], Ferraris 2007:418 [ref. 29155], Dutra et al. 2012:226 [ref. 32029], Barriga Salazar 2014:111 [ref. 35745], DoNascimiento et al. 2014:726 [ref. 33632] as "Trichomycterus", Sarmiento et al. 2014:193 [ref. 35004], Henschel 2016:118 [ref. 34775]). •Valid as Potamoglanis hasemani (Eigenmann 1914) -- (Henschel et al. 2018:49 [ref. 35657], Meza-Vargas et al. 2021:24 [ref. 39298]). Current status: Valid as Potamoglanis hasemani (Eigenmann 1914). Trichomycteridae: Glanapteryginae. Distribution: South America: Amazon River basin (Bolivia, Brazil, Ecuador, Guyana and Peru). Habitat: freshwater.