After De Pinna, 1992, and Nelson, 1994, with species from Froese & Pauly, 2001 [“The Fishbase”]

<==o Trichomycterinae [6/88] [paraphyletic assemblage]
   |-- Bullockia maldonadoi (Eigenmann, 1928)
   |--o Eremophilus [jr. synon. to Trichomycterus??]
   |  |-- E. mutisii Humboldt, 1805
   |  `?- E. candidus [a species of Trichomycterus?]
   |-- Hatcheria macraei (Girard, 1855)
   |?-o Ituglanis [Trichomycterus in partem]
   |  |-- I. amazonicus (Steindachner, 1882)
   |  |-- I. eichorniarum (Miranda-Ribeiro, 1912)
   |  |-- I. gracilior (Eigenmann, 1912)
   |  |-- I. guayaberensis (Dahl, 1960)
   |  |-- I. herberti (Miranda-Ribeiro, 1940)
   |  |-- I. laticeps (Kner, 1863)
   |  |-- I. metae (Eigenmann, 1917)
   |  |-- I. parahybae (Eigenmann, 1918)
   |  |-- I. parkoi (Miranda-Ribeiro, 1944)
   |  |-- I. proops (Miranda-Ribeiro, 1908)
   |  `-- I. boticario Rizzato & Bichuette, 2014
   |-- Rhizosomichthys totae (Miles, 1942)
   |-- Silvinichthys mendozensis (Arratia, Chang, Menu-Marque & Rojas, 1978) Arratia, 1998
   |?-o Scleronema
   |  |-- S. angustirostris (Devincenzi, 1942)
   |  |-- S. minutum (Boulenger, 1891)
   |  `-- S. operculatum Eigenmann, 1917
   `-- Trichomycterus [93]

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