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

<==o Trichomycteridae [Pygidiidae] (parasitic catfishes; loismonnit) [36 genera, 155 species (Nelson, 1994) [185 species (Lahti et al., 1980)]]
   |?- †Propygidium Eoc. SA.
   |?- Paracanthopoma parva Giltay, 1935
   |--o Copionodontinae De Pinna, 1992
   |  |-- Glaphyropoma rodriguesi De Pinna, 1992
   |  `--o Copionodon De Pinna, 1992
   |     |-- C. lianae Campanario & de Pinna, 2000
   |     |-- C. orthiocarinatus De Pinna, 1992
   |     `-- C. pecten De Pinna, 1992
   `--+-- Trichogenes longipinnis Britski & Ortega, 1983 [Trichogeninae]
      `--+-- Trichomycterinae [paraphyletic assemblage]
         |-- Stegophilinae [Pareiodontinae]
         |-- Vandelliinae (candirus; aitoloismonnit)
         |--o Tridentinae [N: 4/6]
         |  |-- Miuroglanis platycephalus Eigenmann & Eigenmann, 1889
         |  |-- Tridens melanops Eigenmann & Eigenmann, 1889
         |  |--o Tredensimilis [2]
         |  |  |-- T. brevis (Eigenmann & Eigenmann, 1889)
         |  |  `-- T. venezuelae Schultz, 1944
         |  `--o Tridentopsis [3]
         |     |-- T. cahuali Azpelicueta, 1990
         |     |-- T. pearsoni Myers, 1925
         |     `-- T. tocantinsi La Monte, 1939
         `--+--o Glanapteryginae Myers, 1944
            |  |--o Listrura de Pinna, 1988
            |  |  |-- L. camposi (Miranda-Ribeiro, 1957)
            |  |  |-- L. nematopteryx de Pinna, 1988 [Eremophilus camposi Ribeiro]
            |  |  `-- L. tetraradiata Landim & Costa, 2002
            |  `--+--o Pygidianops Myers, 1944
            |     |  |-- P. eigenmanni Myers, 1944
            |     |  |-- P. cuao Schaefer, Provenzano, de Pinna, & Baskin, 2005
            |     |  `-- P. magoi Schaefer, Provenzano, de Pinna, & Baskin, 2005
            |     |--o Glanapteryx Myers, 1927
            |     |  |-- G. anguilla Myers, 1927
            |     |  `-- G. niobium de Pinna, 1998
            |     `--o Typhlobelus Myers, 1944
            |        |-- T. ternetzi Myers, 1944
            |        |-- T. macromycterus Costa & Bockmann, 1994
            |        |-- T. guacamaya Schaefer, Provenzano, de Pinna, & Baskin, 2005
            |        `-- T. lundbergi Schaefer, Provenzano, de Pinna, & Baskin, 2005
            `--o Sarcoglanidinae
               |--o Ammoglanis
               |  |-- A. diaphanus Costa, 1994
               |  `-- A. pulex de Pinna & Winemiller, 2000
               |-- Malacoglanis gelatinosus Myers & Weitzman, 1966
               |-- Microcambeva barbata Costa & Bockman, 1994
               |-- Sarcoglanis simplex Myers & Weitzman, 1966
               |-- Stauroglanis gouldingi Pinna, 1989
               `--o Stenolicmus
                  |-- S. sp.
                  `-- S. sarmientoi de Pinna & Starnes, 1990

Reference(s):