Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Genera in the family or subfamily Trichomycteridae: [ 77 ] records

Acanthopoma Lütken [C. F.] 1892:57 Neut. Acanthopoma annectens Lütken 1892. Type by monotypy. •Valid as Acanthopoma Lütken 1892 -- (Burgess 1989:324 [ref. 12860], de Pinna & Wosiacki in Reis et al. 2003:272 [ref. 27061], Ferraris 2007:403 [ref. 29155], DoNascimiento 2015:939 [ref. 34078] in Stegophilinae). Current status: Valid as Acanthopoma Lütken 1892. Trichomycteridae: Stegophilinae.

Ammoglanis Costa [W. J. E. M.] 1994:208 Masc. Ammoglanis diaphanus Costa 1994. Type by original designation (also monotypic). •Valid as Ammoglanis Costa 1994 -- (Burgess & Finley 1996:168 [ref. 22901], de Pinna & Winemiller 2000:256 [ref. 25070], de Pinna & Wosiacki in Reis et al. 2003:272 [ref. 27061], Ferraris 2007:403 [ref. 29155], Mattos et al. 2008:161 [ref. 29875], Mattos & Lima 2010:233 [ref. 31040], Wosiacki et al. 2011:63 [ref. 31139], Costa et al. 2019:61 [ref. 37125], Henschel et al. 2020:67 [ref. 37312], Henschel et al. 2020:1 [ref. 37837], Canto et al. 2022:1 [ref. 39366], Bockmann et al. 2023:37 [ref. 40227], de Pinna et al. 2025:2 [ref. 42305]). Current status: Valid as Ammoglanis Costa 1994. Trichomycteridae: Sarcoglanidinae.

Apomatoceros Eigenmann [C. H.] 1922:113 Masc. Apomatoceros alleni Eigenmann 1922. Type by monotypy. •Valid as Apomatoceros Eigenmann 1922 -- (Burgess 1989:324 [ref. 12860], de Pinna & Britski 1991:116 [ref. 13595], de Pinna & Wosiacki in Reis et al. 2003:272 [ref. 27061], Ferraris 2007:403 [ref. 29155], DoNascimiento 2015:940 [ref. 34078] in Stegophilinae). Current status: Valid as Apomatoceros Eigenmann 1922. Trichomycteridae: Stegophilinae.

Arhinoglanis DoNascimiento [C.], Ortega-Lara [A.], Albornoz-Garzón [J. G.], Román-Valencia [C.] & Lujan [N. K.] 2026:4 Masc. Arhinoglanis relictus DoNascimiento, Ortega-Lara, Albornoz-Garzón et al. 2026. TYpe by original designation (and monotypic). •Valid as Arhinoglanis DoNascimiento, Ortega-Lara, Albornoz-Garzón, Román-Valencia & Lujan 2026. Current status: Valid as Arhinoglanis DoNascimiento, Ortega-Lara, Albornoz-Garzón, Román-Valencia & Lujan 2026. Trichomycteridae: Stegophilinae.

Astemomycterus Guichenot [A.] 1860:525 Masc. Trichomycterus pusillus Castelnau 1855. Type by original designation (also monotypic). •Synonym of Pareiodon Kner 1855 -- (de Pinna & Wosiacki in Reis et al. 2003:277 [ref. 27061], Ferraris 2007:411 [ref. 29155], DoNascimiento 2015:947 [ref. 34078] in Stegophilinae). Current status: Synonym of Pareiodon Kner 1855. Trichomycteridae: Stegophilinae.

Bathophilus Miles [C.] 1942:57 Masc. Pygidium totae Miles 1942. Type by monotypy. Objectively invalid; preoccupied by Bathophilus Giglioli 1882 in fishes, replaced by Bathypygidium Whitley 1947. •Synonym of Rhizosomichthys Miles 1943 -- (de Pinna & Wosiacki in Reis et al. 2003:278 [ref. 27061], Ferraris 2007:412 [ref. 29155]). 1°Homonym. Current status: Synonym of Rhizosomichthys Miles 1943. Trichomycteridae: Trichomycterinae.

Bathypygidium Whitley [G. P.] 1947:150 Neut. Pygidium totae Miles 1942. Type by being a replacement name. Replacement for Bathophilus Miles 1942, preoccupied by Bathyophilus Giglioli 1882 in fishes. •Synonym of Rhizosomichthys Miles 1943 -- (de Pinna & Wosiacki in Reis et al. 2003:278 [ref. 27061], Ferraris 2007:412 [ref. 29155]). Current status: Synonym of Rhizosomichthys Miles 1943. Trichomycteridae: Trichomycterinae.

Branchioica Eigenmann [C. H.] 1917:702 Fem. Branchioica bertoni Eigenmann 1917. Type by original designation (also monotypic). Misspelled Branchiogaeum by Eigenmann in text (p. 702); misspelled Branchoica by Jordan 1920:563 [ref. 4905]. •Valid as Branchioica Eigenmann 1917 -- (Román-Valencia 1998:299 [ref. 27071]). •Synonym of Paravandellia Miranda Ribeiro 1912 -- (Burgess 1989:324 [ref. 12860], de Pinna 1989:35 [ref. 12630], de Pinna & Wosiacki in Reis et al. 2003:277 [ref. 27061], Ferraris 2007:410 [ref. 29155], de Pinna & Dagosta 2022:79 [ref. 39792], Henschel et al. 2024:29 [ref. 41248]). Current status: Synonym of Paravandellia Miranda Ribeiro 1912. Trichomycteridae: Vandelliinae.

Bullockia Arratia [G.], Chang G. [A.], Menu-Marque [S.] & Rojas M. [G.] 1978:162 Fem. Hatcheria maldonadoi Eigenmann 1920. Type by monotypy. •Valid as Bullockia Arratia, Chang G., Menu-Marque & Rojas M. 1978 -- (de Pinna 1989:31 [ref. 12630], Burgess 1989:323 [ref. 12860], Arratia 1990:400 [ref. 16581], Arratia 1998:366 [ref. 23661], Dyer 2000:84 [ref. 26678], Fernández & Bichuette 2002:277 [ref. 26539], de Pinna & Wosiacki in Reis et al. 2003:273 [ref. 27061], Ferraris 2007:403 [ref. 29155], Sarmento-Soares et al. 2011:268 [ref. 31385], Fernández et al. 2011:227 [ref. 31662], Datovo et al. 2012:40 [ref. 31994], Lezuma et al. 2012:60 [ref. 32020], Reis et al. 2019:[12] [ref. 36902], Costa et al. 2025:8 [ref. 42342]). Current status: Valid as Bullockia Arratia, Chang G., Menu-Marque & Rojas M. 1978. Trichomycteridae: Trichomycterinae.

Cambeva Katz [A. M.], Barbosa [M. A.], Mattos [J. L. O.] & Costa [W. J. E. M.] 2018:560 Fem. Pygidium davisi Haseman 1911. Type by original diagnosis. •Possibly a synonym of Trichomycterus Valenciennes 1832 or Scleronema Eigenmann 1918 -- (Reis & de Pinna 2019:118 [ref. 36632]). •Valid as Cambeva Katz, Barbosa, Mattos & Costa 2018 -- (dos Reis et al. 2019:1 [ref. 37163], Ochoa et al. 2020:11 [ref. 37311], Katz & Costa 2020:2 [ref. 37397], Costa et al. 2020:715 [ref. 37907], Costa et al. 2021:147 [ref. 38175], Costa et al. 2021:659 [ref. 38728], dos Reis et al. 2021:1 [ref. 38862], Costa et al. 2022:140 [ref. 39052], Costa et al. 2022:123 [ref. 39212], Costa et al. 2022:1 [ref. 39261], Donin et al. 2022:4 [ref. 39872], Costa et al. 2023:1 [ref. 39856], dos Reis et al. 2023:1 [ref. 40059], Bockmann et al. 2023:37 [ref. 40227], Costa et al. 2023:1 [ref. 40271], Costa et al. 2024:341 [ref. 41163], Costa et al. 2024:426 [ref. 41443], Martins et al. 2024:1 [ref. 41475], Costa et al. 2024:199 [ref. 41551], Costa et al. 2025:1 [ref. 42241], Costa et al. 2025:8 [ref. 42342], Costa 2026:11 [ref. 42799]). Current status: Valid as Cambeva Katz, Barbosa, Mattos & Costa 2018. Trichomycteridae: Trichomycterinae.

Centrophorus Kner [R.] 1859:167 (footnote) Masc. Pareiodon microps Kner 1855. Type by being a replacement name. Unneeded replacement for Pareiodon Kner 1855, not preoccupied by Parodon. Objectively invalid; preoccupied by Centrophorus Müller & Henle 1837 in fishes, Chevrolet 1839 in Coleoptera, and Waldheim 1846 in Orthoptera. •Synonym of Pareiodon Kner 1855 -- (de Pinna & Wosiacki in Reis et al. 2003:277 [ref. 27061], Ferraris 2007:411 [ref. 29155], DoNascimiento 2015:947 [ref. 34078] in Stegophilinae). 1°Homonym. Current status: Synonym of Pareiodon Kner 1855. Trichomycteridae: Stegophilinae.

Cobitiglanis (subgenus of Ochmacanthus) Fowler [H. W.] 1914:268 Masc. Ochmacanthus taxistigma Fowler 1914. Type by original designation. Cobitoglanis is a misspelling. If based on the Greek glanis, the gender would be feminine (Endruweit 2025:189 [ref. 42401]). •Synonym of Henonemus Eigenmann & Ward 1907 -- (de Pinna & Wosiacki in Reis et al. 2003:274 [ref. 27061], DoNascimiento & Provenzano 2006:199 [ref. 28681], Ferraris 2007:405 [ref. 29155], DoNascimiento 2015:943 [ref. 34078] in Stegophilinae). Current status: Synonym of Henonemus Eigenmann & Ward 1907. Trichomycteridae: Stegophilinae.

Copionodon de Pinna [M. C. C.] 1992:181 Masc. Copionodon pecten de Pinna 1992. Type by original designation. •Valid as Copionodon de Pinna 1992 -- (Burgess & Finley 1996:167 [ref. 22901], Campanario & de Pinna 2000:369 [ref. 25080], de Pinna & Wosiacki in Reis et al. 2003:273 [ref. 27061], Ferraris 2007:404 [ref. 29155], Bichuette et al. 2008:301 [ref. 29835], Fernández et al. 2015:14 [ref. 35041], de Pinna et al. 2018:[1] [ref. 35972], de Pinna et al. 2018:1 [ref. 36361]). Current status: Valid as Copionodon de Pinna 1992. Trichomycteridae: Copionodontinae.

Cryptocambeva (subgenus of Trichomycterus) Costa [W. J. E. M.] 2021:177 Fem. Trichomycterus mirissumba Costa 1992. Type by original designation. •Synonym of Trichomycterus Valenciennes 1832, but a valid subgenus as described -- (Costa et al. 2023:4 [ref. 40170], Costa et al. 2024:125 [ref. 41685]). Current status: Synonym of Trichomycterus Valenciennes 1832. Trichomycteridae: Trichomycterinae.

Eremoglanis Costa [W. J. E. M.] 2026:21 Masc. Trichomycterus punctulatus Valenciennes 1846. Type by original designation. •Valid as Eremoglanis Costa 2026. Current status: Valid as Eremoglanis Costa 2026. Trichomycteridae: Trichomycterinae.

Eremophilus Humboldt [F. H. A. von] 1805:35 Masc. Eremophilus mutisii Humboldt 1805. Type by monotypy. Apparently also appeared in 1806:17 (not investigated). •Valid as Eremophilus Humboldt 1805 -- (de Pinna 1989:31 [ref. 12630], Burgess 1989:323 [ref. 12860], Arratia 1990:398 [ref. 16581], Arratia 1998:366 [ref. 23661], Fernández & Bichuette 2002:277 [ref. 26539], de Pinna & Wosiacki in Reis et al. 2003:273 [ref. 27061], Barbosa & Costa 2003:179 [ref. 27636], Ferraris 2007:404 [ref. 29155], Ferrer & Malabarba 2011:65 [ref. 31348], Sarmento-Soares et al. 2011:268 [ref. 31385], Fernández et al. 2011:227 [ref. 31662], Datovo et al. 2012:40 [ref. 31994], Lezuma et al. 2012:60 [ref. 32020], DoNascimiento et al. 2014:707 [ref. 35109], Costa et al. 2021:135 [ref. 38372], Costa et al. 2025:8 [ref. 42342]). Current status: Valid as Eremophilus Humboldt 1805. Trichomycteridae: Trichomycterinae.

Exolistrura (subgenus of Listrura) Costa [W. J. E. M.], Feltrin [C. R. M.], Mattos [J. L. O.] & Katz [A. M.] 2025:397 Fem. Listrura garuva Costa, Feltrin, Mattos & Katz 2025. Type by original designation. •Synonym of Listrura de Pinna 1988, but a valid subgenus as described. Current status: Synonym of Listrura de Pinna 1988. Trichomycteridae: Glanapteryginae.

Glanapteryx Myers [G. S.] 1927:128 Fem. Glanapteryx anguilla Myers 1927. Type by original designation (also monotypic). •Valid as Glanapteryx Myers 1927 -- (Burgess 1989:325 [ref. 12860], de Pinna 1989 [ref. 13515], Nico & de Pinna 1996:27 [ref. 22300], de Pinna 1998:35 [ref. 23575], de Pinna 1998:298 [ref. 23847], Landim & Costa 2002:152 [ref. 25896], de Pinna & Wosiacki in Reis et al. 2003:273 [ref. 27061], Ferraris 2007:404 [ref. 29155], de Pinna & Kirovsky 2011:493 [ref. 31517]). Current status: Valid as Glanapteryx Myers 1927. Trichomycteridae: Glanapteryginae.

Glaphyropoma de Pinna [M. C. C.] 1992:194 Fem. Glaphyropoma rodriguesi de Pinna 1992. Type by original designation (also monotypic). •Valid as Glaphyropoma de Pinna 1992 -- (Burgess & Finley 1996:167 [ref. 22901], Campanario & de Pinna 2000:369 [ref. 25080], de Pinna & Wosiacki in Reis et al. 2003:273 [ref. 27061], Ferraris 2007:405 [ref. 29155], Bichuette et al. 2008:301 [ref. 29835], Rizzato et al. 2011:478 [ref. 31516], Bichuette & Rizzato 2012:48 [ref. 32163]). Current status: Valid as Glaphyropoma de Pinna 1992. Trichomycteridae: Copionodontinae.

Gyrinurus Miranda Ribeiro [A. de] 1912:27 Masc. Gyrinurus batrachostoma Miranda Ribeiro 1912. Type by monotypy. •Synonym of Ochmacanthus Eigenmann 1912 -- (de Pinna & Wosiacki in Reis et al. 2003:276 [ref. 27061], Ferraris 2007:409 [ref. 29155], DoNascimiento 2015:945 [ref. 34078] in Stegophilinae). Current status: Synonym of Ochmacanthus Eigenmann 1912. Trichomycteridae: Stegophilinae.

Haemomaster Myers [G. S.] 1927:131 Masc. Haemomaster venezuelae Myers 1927. Type by original designation (also monotypic). •Valid as Haemomaster Myers 1927 -- (Burgess 1989:324 [ref. 12860], de Pinna 1989 [ref. 12630], de Pinna & Wosiacki in Reis et al. 2003:273 [ref. 27061], Ferraris 2007:405 [ref. 29155], DoNascimiento 2015:942 [ref. 34078] in Stegophilinae). Current status: Valid as Haemomaster Myers 1927. Trichomycteridae: Stegophilinae.

Hatcheria Eigenmann [C. H.] 1909:248 Fem. Hatcheria patagoniensis Eigenmann 1909. Type by original designation. •Valid as Hatcheria Eigenmann 1909 -- (Arratia et al. 1978 [ref. 144], Arratia & Menu-Marque 1981 [ref. 6024] with type as macraei, de Pinna 1989:31 [ref. 12630], Arratia 1990:400 [ref. 16581] with type as macraei, Arratia 1998:366 [ref. 23661], Dyer 2000:84 [ref. 26678], Fernández & Bichuette 2002:277 [ref. 26539], de Pinna & Wosiacki in Reis et al. 2003:274 [ref. 27061], Ferraris 2007:405 [ref. 29155], Sarmento-Soares et al. 2011:268 [ref. 31385], Fernández et al. 2011:227 [ref. 31662], Datovo et al. 2012:40 [ref. 31994], Lezuma et al. 2012:60 [ref. 32020], Fernández et al. 2015:7 [ref. 35041], Costa et al. 2025:8 [ref. 42342]). Current status: Valid as Hatcheria Eigenmann 1909. Trichomycteridae: Trichomycterinae.

Henonemus Eigenmann [C. H.] & Ward [D. P.] in Eigenmann, McAtee & Ward 1907:118 Masc. Stegophilus intermedius Eigenmann & Eigenmann 1889. Type by original designation (also monotypic). •Valid as Henonemus Eigenmann & Ward 1907 -- (de Pinna 1989 [ref. 12630], de Pinna & Wosiacki in Reis et al. 2003:274 [ref. 27061], DoNascimiento & Provenzano 2006:199 [ref. 28681], Ferraris 2007:405 [ref. 29155], DoNascimiento 2015:943 [ref. 34078] in Stegophilinae). Current status: Valid as Henonemus Eigenmann & Ward 1907. Trichomycteridae: Stegophilinae.

Homodiaetus Eigenmann [C. H.] & Ward [D. P.] in Eigenmann, McAtee & Ward 1907:117 Masc. Homodiaetus anisitsi Eigenmann & Ward 1907. Type by original designation (also monotypic). •Valid as Homodiaetus Eigenmann & Ward 1907 -- (Burgess 1989:324 [ref. 12860], de Pinna 1989 [ref. 12630], Malabarba 1989:145 [ref. 14217], Koch 2002:36 [ref. 26425], de Pinna & Wosiacki in Reis et al. 2003:274 [ref. 27061], Ferraris 2007:406 [ref. 29155], DoNascimiento 2015:943 [ref. 34078] in Stegophilinae, Fernández et al. 2015:12 [ref. 35041], Bertaco et al. 2016:421 [ref. 34561]). Current status: Valid as Homodiaetus Eigenmann & Ward 1907. Trichomycteridae: Stegophilinae.

Humboldtglanis (subgenus of Trichomycterus) Costa [W. J. E. M.] 2021:176 Masc. Trichomycterus albinotatus Costa 1992. Type by original designation. •Synonym of Trichomycterus Valenciennes 1832, but a valid subgenus as described -- (Costa et al. 2023:5 [ref. 40170]). Current status: Synonym of Trichomycterus Valenciennes 1832. Trichomycteridae: Trichomycterinae.

Hyaloglanis de Pinna [M.], Reis [V. J. C.] & DoNascimiento [C.] 2025:16 Masc. Ammoglanis pulex de Pinna & Winemiller 2000. Type by original designation. Masculine gender inferred from the combination with obliquus. •Valid as Hyaloglanis de Pinna, Reis & DoNascimiento 2025. Current status: Valid as Hyaloglanis de Pinna, Reis & DoNascimiento 2025. Trichomycteridae: Glanapteryginae.

Ituglanis Costa [W. J. E. M.] & Bockmann [F. A.] 1993:44 Masc. Pygidium proops parahybae Eigenmann 1918. Type by original designation. See Burgess & Finley 1996:168 [ref. 22901], de Pinna 1998:300 [ref. 23847], Le Bail et al. 2000:164 [ref. 24549]. •Valid as Ituglanis Costa & Bockmann 1993 -- (Fernández & Bichuette 2002:273 [ref. 26539], de Pinna & Wosiacki in Reis et al. 2003:274 [ref. 27061], de Pinna & Keith 2003:873 [ref. 27381], Bichuette & Trajano 2004:244 [ref. 27856], Datovo & Lanim 2005:455 [ref. 28558], Sarmento-Soares at al. 2006:309 [ref. 28814], Proudlove 2006:149 [ref. 28992], Campos-Paiva & Costa 2007:53 [ref. 29139], Ferraris 2007:406 [ref. 29155], Bichuette & Trajano 2008:11 [ref. 29571], Sarmento-Soares et al. 2011:268 [ref. 31385], Rizzato et al. 2011:478 [ref. 31516], Datovo et al. 2012:40 [ref. 31994], Lezuma et al. 2012:60 [ref. 32020], Bichuette & Rizzato 2012:48 [ref. 32163], Wosiacki et al. 2012:547 [ref. 32219], Lima et al. 2014:513 [ref. 32912], Datovo & de Pinna 2014:1 [ref. 33135], Datovo 2014:466 [ref. 33282], Rizzato & Bichuette 2015:577 [ref. 33676], Ferrer et al. 2015:375 [ref. 33964], Bertaco et al. 2016:421 [ref. 34561], Datovo et al. 2016:439 [ref. 34783], Castro & Wosiacki 2017:207 [ref. 35201], Ferrer & Donin 2017:1 [ref. 35614], Mendonça et al. 2018:473 [ref. 36234], Costa et al. 2021:4 [ref. 39066], Donin et al. 2023:1 [ref. 40190], Costa et al. 2025:8 [ref. 42342], Vilardo et al. 2025:1 [ref. 42429], Bressan et al. 2025:1 [ref. 42531]). Current status: Valid as Ituglanis Costa & Bockmann 1993. Trichomycteridae: Trichomycterinae.

Listrura de Pinna [M. C. C.] 1988:3 Fem. Listrura nematopteryx de Pinna 1988. Type by original designation. •Valid as Listrura de Pinna 1988 -- (de Pinna 1989:31 [ref. 12630], de Pinna 1989:372 [ref. 13515], Burgess & Finley 1996:168 [ref. 22901], de Pinna 1998:298 [ref. 23847], Landim & Costa 2002:152 [ref. 25896], de Pinna & Wosiacki 2002:721 [ref. 26545], de Pinna & Wosiacki in Reis et al. 2003:275 [ref. 27061], Villa-Verde & Costa 2006:43 [ref. 28570], Ferraris 2007:408 [ref. 29155], de Pinna & Kirovsky 2011:493 [ref. 31517], Villa-Verde et al. 2012:527 [ref. 32250], Villa-Verde et al. 2014:641 [ref. 33099], Bertaco et al. 2016:421 [ref. 34561], Costa et al. 2020:[1] [ref. 37235] in Microcambevinae, Costa & Katz 2021:320 [ref. 38742], Villa-Verde et al. 2022:1 [ref. 39194], Costa et al. 2023:475 [ref. 40182], Medeiros et al. 2024:1 [ref. 41476], Costa et al. 2025:1177 [ref. 42238], Costa et al. 2025:395 [ref. 42544]). Current status: Valid as Listrura de Pinna 1988. Trichomycteridae: Glanapteryginae.

Malacoglanis Myers [G. S.] & Weitzman [S. H.] 1966:281 Masc. Malacoglanis gelatinosus Myers & Weitzman 1966. Type by original designation (also monotypic). •Valid as Malacoglanis Myers & Weirzman 1966 -- (Burgess 1989:325 [ref. 12860], de Pinna 1989:26 [ref. 12630], Costa & Bockmann 1994:715 [ref. 21339], Costa 1994:213 [ref. 21567], de Pinna 1998:298 [ref. 23847], de Pinna & Wosiacki in Reis et al. 2003:276 [ref. 27061], Ferraris 2007:408 [ref. 29155], Mattos et al. 2008:161 [ref. 29875], Mattos & Lima 2010:233 [ref. 31040], Wosiacki et al. 2011:63 [ref. 31139], Montoya-Ospina et al. 2018:101 [ref. 35739]). Current status: Valid as Malacoglanis Myers & Weitzman 1966. Trichomycteridae: Sarcoglanidinae.

Mauri Costa [W. J. E. M.] 2026:21 Masc. Trichomycterus megantoni Fernández & Chuquihuamani 2007. Type by original designation. •Valid as Mauri Costa 2026. Current status: Valid as Mauri Costa 2026. Trichomycteridae: Trichomycterinae.

Megacambeva (subgenus of Trichomycterus) Costa [W. J. E. M.] 2021:168 Fem. Trichomycterus giganteus Lima & Costa 2004. Type by original designation (and monotypic). •Synonym of Trichomycterus Valenciennes 1832, but a valid subgenus as described. Current status: Synonym of Trichomycterus Valenciennes 1832. Trichomycteridae: Trichomycterinae.

Megalocentor de Pinna [M. C. C.] & Britski [H. A.] 1991:115 Masc. Megalocentor echthrus de Pinna & Britski 1991. Type by original designation (also monotypic). •Valid as Megalocentor de Pinna & Britski 1991 -- (Burgess & Finley 1996:168 [ref. 22901], de Pinna & Wosiacki in Reis et al. 2003:276 [ref. 27061], Ferraris 2007:409 [ref. 29155], DoNascimiento 2015:944 [ref. 34078] in Stegophilinae). Current status: Valid as Megalocentor de Pinna & Britski 1991. Trichomycteridae: Stegophilinae.

Microcambeva Costa [W. J. E. M.] & Bockmann [F. A.] 1994:718 Fem. Microcambeva barbata Costa & Bockmann 1994. Type by original designation (also monotypic). •Valid as Microcambeva Costa & Bockmann 1994 -- (Costa 1994:213 [ref. 21567], Burgess & Finley 1996:168 [ref. 22901], de Pinna & Wosiacki in Reis et al. 2003:276 [ref. 27061], Costa et al. 2004:2 [ref. 27842], Ferraris 2007:409 [ref. 29155], Mattos et al. 2008:161 [ref. 29875], Mattos & Lima 2010:233 [ref. 31040], Wosiacki et al. 2011:63 [ref. 31139], Costa et al. 2019:1837 [ref. 37015], Sarmento-Soares et al. 2019:580 [ref. 37198], Costa et al. 2020:[1] [ref. 37235] in Microcambevinae, Costa et al. 2020:12 [ref. 37273], Medeiros et al. 2020:111 [ref. 38015], Medeiros et al. 2021:1 [ref. 38396], Costa & Katz 2021:330 [ref. 38742], Bockmann et al. 2023:37 [ref. 40227], Medeiros et al. 2026:1 [ref. 42800]). Current status: Valid as Microcambeva Costa & Bockmann 1994. Trichomycteridae: Sarcoglanidinae.

Miuroglanis Eigenmann [C. H.] & Eigenmann [R. S.] 1889:55 Masc. Miuroglanis platycephalus Eigenmann & Eigenmann 1889. Type by original designation (also monotypic). •Valid as Miuroglanis Eigenmann & Eigenmann 1889 -- (Burgess 1989:325 [ref. 12860], Azpelicueta 1990:986 [ref. 19207], de Pinna & Wosiacki in Reis et al. 2003:276 [ref. 27061], Ferraris 2007:409 [ref. 29155]). Current status: Valid as Miuroglanis Eigenmann & Eigenmann 1889. Trichomycteridae: Tridentinae.

Ochmacanthus Eigenmann [C. H.] 1912:213 Masc. Ochmacanthus flabelliferus Eigenmann 1912. Type by original designation (also monotypic). •Valid as Ochmacanthus Eigenmann 1912 -- (Burgess 1989:324 [ref. 12860], de Pinna 1989 [ref. 12630], Britski et al. 1999:93 [ref. 24147], de Pinna & Wosiacki in Reis et al. 2003:276 [ref. 27061], Ferraris 2007:409 [ref. 29155], DoNascimiento 2015:945 [ref. 34078] in Stegophilinae, Fernández et al. 2015:13 [ref. 35041], Neto & de Pinna 2016:[1] [ref. 34386]). Current status: Valid as Ochmacanthus Eigenmann 1912. Trichomycteridae: Stegophilinae.

Oreiadoglanis Costa [W. J. E. M.] & Katz [A. M.] in Costa, Mattos, Amorim & Katz 2025:4 Masc. Trichomycterus chapadensis Katz & Costa 2021. Type by original designation. •Valid as Oreiadoglanis Costa & Katz 2025. Current status: Valid as Oreiadoglanis Costa & Katz 2025. Trichomycteridae: Trichomycterinae.

Parabranchioica Devincenzi [G. J.] & Vaz-Ferreira [R.] in Devincenzi 1939:36 (or 167) Fem. Parabranchioica teaguei Devincenzi & Vaz-Ferreira 1939. Type by monotypy. Also appeared in Arch. Soc. Bio. Montev. v. 9:167 in 1939 [earliest not researched]. Authorship of ref. 1121 is Devincenzi alone, but see paragraph on p. 37, which might permit including Vaz-Ferreira as a second author. •Synonym of Paravandellia Miranda Ribeiro 1912 -- (de Pinna & Wosiacki in Reis et al. 2003:277 [ref. 27061], Ferraris 2007:410 [ref. 29155], de Pinna & Dagosta 2022:79 [ref. 39792], Henschel et al. 2024:29 [ref. 41248]). Current status: Synonym of Paravandellia Miranda Ribeiro 1912. Trichomycteridae: Vandelliinae.

Paracambeva (subgenus of Trichomycterus) Costa [W. J. E. M.] 2021:172 Fem. Trichomycterus itatiayae Miranda Ribeiro 1906. Type by original designation. •Synonym of Trichomycterus Valenciennes 1832, but a valid subgenus as described -- (Costa et al. 2023:24 [ref. 40170], Costa et al. 2024:758 [ref. 41213]). Current status: Synonym of Trichomycterus Valenciennes 1832. Trichomycteridae: Trichomycterinae.

Paracanthopoma Giltay [L.] 1935:1 Fem. Paracanthopoma parva Giltay 1935. Type by original designation (also monotypic). Clearly named for its close appearance to Acanthopoma, which is of neuter gender (poma is a neuter noun in Greek). But the gender has always been treated as feminine, so in the interest of stability, it is probably best to continue to treat the gender as feminine. •Valid as Paracanthopoma Giltay 1935 -- (Burgess 1989:324 [ref. 12860], de Pinna 1989:35 [ref. 12630], Schmidt 1993:185 [ref. 22299], de Pinna & Wosiacki in Reis et al. 2003:276 [ref. 27061], Ferraris 2007:410 [ref. 29155], Dagosta & de Pinna 2021:1 [ref. 38286], Henschel et al. 2021:1 [ref. 38711], Henschel et al. 2021:1 [ref. 38806], de Pinna & Dagosta 2022:8 [ref. 39792], Henschel et al. 2024:29 [ref. 41248], Henschel et al. 2026:542 [ref. 42960]). Current status: Valid as Paracanthopoma Giltay 1935. Trichomycteridae: Vandelliinae.

Paralistrura (subgenus of Listrura) Costa [W. J. E. M.] & Katz [A. M.] 2021:329 Fem. Listrura tetraradiata Landim & Costa 2004. Type by original designation (and monotypic). •Synonym of Listrura de Pinna 1988, but a valid subgenus as described. Current status: Synonym of Listrura de Pinna 1988. Trichomycteridae: Glanapteryginae.

Parascleronema Costa [W. J. E. M.] 2026:16 Neut. Trichomycterus minutus Boulenger 1891. Type by original designation. •Valid as Parascleronema Costa 2026. Current status: Valid as Parascleronema Costa 2026. Trichomycteridae: Trichomycterinae.

Parastegophilus Miranda Ribeiro [P. de] 1946:12 Masc. Stegophilus maculatus Steindachner 1879. Type by original designation (also monotypic). •Valid as Parastegophilus Miranda Ribeiro 1946 -- (de Pinna 1989 [ref. 12630], Burgess 1989:324 [ref. 12860] but may be a synonym of Homodiaetus Eigenmann & Ward 1907, de Pinna & Wosiacki in Reis et al. 2003:276 [ref. 27061], Ferraris 2007:410 [ref. 29155], Litz & Koerber 2014:22 [ref. 33622], Fernández et al. 2015:13 [ref. 35041]). •Synonym of Pseudostegophilus Eigenmann & Eigenmann 1889 -- (DoNascimiento 2015:950 [ref. 34078] in Stegophilinae). Current status: Synonym of Pseudostegophilus Eigenmann & Eigenmann 1889. Trichomycteridae: Stegophilinae.

Paravandellia Miranda Ribeiro [A. de] 1912:28 Fem. Paravandellia oxyptera Miranda Ribeiro 1912. Type by monotypy. •Valid as Paravandellia Miranda Ribeiro 1912 -- (Burgess 1989:324 [ref. 12860], de Pinna 1989:35 [ref. 12630], Schmidt 1993:189 [ref. 22299], Britski et al. 1999:93 [ref. 24147], de Pinna & Wosiacki in Reis et al. 2003:277 [ref. 27061], Ferraris 2007:410 [ref. 29155], Bertaco et al. 2016:421 [ref. 34561], Henschel et al. 2021:1 [ref. 38806], de Pinna & Dagosta 2022:78 [ref. 39792], Henschel et al. 2024:1 [ref. 41248]). Current status: Valid as Paravandellia Miranda Ribeiro 1912. Trichomycteridae: Vandelliinae.

Pareiodon Kner [R.] 1855:160 Masc. Pareiodon microps Kner 1855. Type by monotypy. Misspelled Nareiodon in Fig. 2. Spelled Pariodon by Günther 1864:275 [ref. 1974]. •Valid as Pareiodon Kner 1855 -- (Burgess 1989:323 [ref. 12860], de Pinna & Wosiacki in Reis et al. 2003:277 [ref. 27061], Ferraris 2007:411 [ref. 29155], Igenito et al. 2012:562 [ref. 32206], DoNascimiento 2015:947 [ref. 34078] in Stegophilinae). Current status: Valid as Pareiodon Kner 1855. Trichomycteridae: Stegophilinae.

Pericambeva Costa [W. J. E. M.] 2026:12 Fem. Cambeva difficilis Costa, Feltrin & Katz 2024. Type by original designation. •Valid as Pericambeva Costa 2026. Current status: Valid as Pericambeva Costa 2026. Trichomycteridae: Trichomycterinae.

Plectrochilus Miranda Ribeiro [A. de] 1917:50 Masc. Plectrochilus machadoi Miranda Ribeiro 1917. Type by monotypy. •Valid as Plectrochilus Miranda Ribeiro 1917 -- (Burgess 1989:324 [ref. 12860], Schmidt 1993:189 [ref. 22299], de Pinna & Wosiacki in Reis et al. 2003:277 [ref. 27061], Ferraris 2007:411 [ref. 29155]). Current status: Valid as Plectrochilus Miranda Ribeiro 1917. Trichomycteridae: Vandelliinae.

Plesioscleronema (subgenus of Scleronema) Costa [W. J. E. M.], Sampaio [W. M. S.], Giongo [P.], de Almeida [F. B.], Azevedo-Santos [V. M.] & Katz [A. M.] 2022:87 Neut. Scleronema auromaculatum Costa, Sampaio, Giongo, de Almeida, Azevedo-Santos & Katz 2022. Type by original designation (and monotypic). •Synonym of Scleronema Eigenmann 1917, but a valid subgenus as described -- (Bockmann et al. 2023:33 [ref. 40227]). Valid as Plesioscleronema Costa, Sampaio, Giongo, de Almeida, Azevedo-Santos & Katz 2022 -- (Costa 2026:17 [ref. 42799]). Current status: Valid as Plesioscleronema Costa, Sampaio, Giongo, de Almeida, Azevedo-Santos & Katz 2022. Trichomycteridae: Trichomycterinae.

Pleurophysus Miranda Ribeiro [A. de] 1918:636 Masc. Pleurophysus hydrostaticus Miranda Ribeiro 1918. Type by monotypy. •Valid as Pleurophysus Miranda Ribeiro 1918 -- (Burgess 1989:324 [ref. 12860]). •Synonym of Paravandellia Miranda Ribeiro 1912 -- (de Pinna & Wosiacki in Reis et al. 2003:277 [ref. 27061], Ferraris 2007:410 [ref. 29155], de Pinna & Dagosta 2022:79 [ref. 39792]). Current status: Synonym of Paravandellia Miranda Ribeiro 1912. Trichomycteridae: Vandelliinae.

Potamoglanis Henschel [E.], Mattos [J. L. O.], Katz [A. M.] & Costa [W. J. E. M.] 2018:47 Masc. Pygidium hasemani Eigenmann 1914. Type by original designation. Systematic position of the genus in Trichomycteridae uncertain, probably not in Tridentinae, see Ochoa et al. 2020:8 [ref. 37311]. •Valid as Potamoglanis Henschel, Mattos, Katz & Costa 2018 -- (Ochoa et al. 2020:8 [ref. 37311], Datovo et al. 2023:1 [ref. 40547], Reis et al. 2025:147 [ref. 42496] in Potamoglanidinae). Current status: Valid as Potamoglanis Henschel, Mattos, Katz & Costa 2018. Trichomycteridae: Potamoglanidinae.

Prolistrura (subgenus of Listrura) Costa [W. J. E. M.] & Katz [A. M.] 2021:329 Fem. Eremophilus camposi Miranda Ribeiro 1957. Type by original designation. •Synonym of Listrura de Pinna 1988, but a valid subgenus as described. Current status: Synonym of Listrura de Pinna 1988. Trichomycteridae: Glanapteryginae.

Psammocambeva (subgenus of Trichomycterus) Costa [W. J. E. M.] 2021:175 Fem. Trichomycterus travassosi Miranda Ribeiro 1949. Type by original designation. •Synonym of Trichomycterus Valenciennes 1832, but a valid subgenus as described -- (Costa et al. 2022:491 [ref. 39820], Costa et al. 2023:5 [ref. 40511], Costa et al. 2024:129 [ref. 41685]). Current status: Synonym of Trichomycterus Valenciennes 1832. Trichomycteridae: Trichomycterinae.

Pseudocambeva Costa [W. J. E. M.] 2026:13 Fem. Trichomycterus variegatus Costa 1992. Type by original designation. •Valid as Pseudocambeva Costa 2026. Current status: Valid as Pseudocambeva Costa 2026. Trichomycteridae: Trichomycterinae.

Pseudostegophilus Eigenmann [C. H.] & Eigenmann [R. S.] 1889:54 Masc. Stegophilus nemurus Günther 1869. Type by original designation (also monotypic). •Valid as Pseudostegophilus Eigenmann & Eigenmann 1889 -- (Burgess 1989:323 [ref. 12860], de Pinna 1989 [ref. 12630], Britski et al. 1999:93 [ref. 24147], de Pinna & Wosiacki in Reis et al. 2003:277 [ref. 27061], Ferraris 2007:411-412 [ref. 29155]), DoNascimiento 2015:950 [ref. 34078] in Stegophilinae, Bertaco et al. 2016:421 [ref. 34561]. Current status: Valid as Pseudostegophilus Eigenmann & Eigenmann 1889. Trichomycteridae: Stegophilinae.

Pterocambeva (subgenus of Microcambeva) Costa [W. J. E. M.] & Katz [A. M.] 2021:331 Fem. Microcambeva ribeirae Costa, Lima & Bizerril 2004. Type by original designation. •Synonym of Microcambeva Costa & Bockmann 1994, but a valid subgenus as described. Current status: Synonym of Microcambeva Costa & Bockmann 1994. Trichomycteridae: Sarcoglanidinae.

Pygidianops Myers [G. S.] 1944:592 Masc. Pygidianops eigenmanni Myers 1944. Type by original designation (also monotypic). •Valid as Pygidianops Myers 1944 -- (Burgess 1989:325 [ref. 12860], de Pinna 1989 [ref. 12630], de Pinna 1989:372 [ref. 13515], Costa & Bockmann 1994:67 [ref. 21364], de Pinna 1998:298 [ref. 23847], Landim & Costa 2002:152 [ref. 25896], de Pinna & Wosiacki 2002:721 [ref. 26545], de Pinna & Wosiacki in Reis et al. 2003:278 [ref. 27061], Schaefer et al. 2005:5 [ref. 28427], Ferraris 2007:412 [ref. 29155], de Pinna & Kirovsky 2011:493, 502 [ref. 31517], Carvalho et al. 2014:59 [ref. 33121], Bockmann et al. 2023:37 [ref. 40227]). Current status: Valid as Pygidianops Myers 1944. Trichomycteridae: Glanapteryginae.

Pygidium Meyen [F. J. F.] 1834:475 Neut. Pygidium fuscum Meyen 1834. Type by monotypy. Described in footnote. •Genus inquirendum in Trichomycteridae -- (de Pinna & Wosiacki in Reis et al. 2003:287 [ref. 27061], Ferraris 2007:427 [ref. 29155]). Current status: Uncertain. Trichomycteridae: Trichomycterinae.

Rhinotridens Datovo [A.], Ochoa [L.], Vita [G.], Presti [P.], Ohara [W. M.] & Pinna [M. C. C. de] 2023:4 Masc. Rhinotridens chromocaudatus Datovo, Ochoa, Vita, Presti, Ohara & de Pinna 2023. Type by original designation (and monotypic). •Valid as Rhinotridens Datovo, Ochoa, Vita, Presti, Ohara & de Pinna 2023 -- (de Pinna et al. 2024:1 [ref. 41344]). Current status: Valid as Rhinotridens Datovo, Ochoa, Vita, Presti, Ohara & de Pinna 2023. Trichomycteridae: Tridentinae.

Rhizosomichthys Miles [C.] 1943:369 Masc. Pygidium totae Miles 1942. Type by original designation (also monotypic). •Valid as Rhizosomichthys Miles 1943 -- (de Pinna 1989:31 [ref. 12630], Arratia 1990:398 [ref. 16581], Arratia 1998:366 [ref. 23661], Fernández & Bichuette 2002:278 [ref. 26539] as Rhizosomichthiys, de Pinna & Wosiacki in Reis et al. 2003:278 [ref. 27061], Ferraris 2007:412 [ref. 29155], Schaefer & Fernández 2009:510 [ref. 30382], Sarmento-Soares et al. 2011:268 [ref. 31385], Fernández et al. 2011:227 [ref. 31662], Datovo et al. 2012:40 [ref. 31994], Lezuma et al. 2012:60 [ref. 32020], Costa et al. 2025:8 [ref. 42342]). Current status: Valid as Rhizosomichthys Miles 1943. Trichomycteridae: Trichomycterinae.

Salpynx de Pinna [M.], Reis [V. J. C.] & DoNascimiento [C.] 2025:4 Fem. Salpynx trombetensis de Pinna, Reis & DoNascimiento 2025. Type by original designation. •Valid as Salpynx de Pinna, Reis & DoNascimiento 2025. Current status: Valid as Salpynx de Pinna, Reis & DoNascimiento 2025. Trichomycteridae: Glanapteryginae.

Sarcoglanis Myers [G. S.] & Weitzman [S. H.] 1966:279 Masc. Sarcoglanis simplex Myers & Weitzman 1966. Type by original designation (also monotypic). •Valid as Sarcoglanis Myers & Weitzman 1966 -- (Burgess 1989:325 [ref. 12860], Pinna 1989:26 [ref. 12630], Costa & Bockmann 1994:715 [ref. 21339], Costa 1994:213 [ref. 21567], de Pinna 1998:298 [ref. 23847], de Pinna & Wosiacki in Reis et al. 2003:278 [ref. 27061], Ferraris 2007:412 [ref. 29155], Mattos et al. 2008:161 [ref. 29875], Mattos & Lima 2010:233 [ref. 31040], Wosiacki et al. 2011:63 [ref. 31139], Bockmann et al. 2023:37 [ref. 40227]). Current status: Valid as Sarcoglanis Myers & Weitzman 1966. Trichomycteridae: Sarcoglanidinae.

Schultzichthys Dahl [G.] 1960:312 Masc. Schultzichthys gracilis Dahl 1960. Type by monotypy. •Valid as Schultzichthys Dahl 1960 -- (de Pinna & Wosiacki in Reis et al. 2003:278 [ref. 27061], Ferraris 2007:413 [ref. 29155], DoNascimiento 2015:951 [ref. 34078] in Stegophilinae). Current status: Valid as Schultzichthys Dahl 1960. Trichomycteridae: Stegophilinae.

Scleronema Eigenmann [C. H.] 1917:691 Neut. Scleronema operculatum Eigenmann 1917. Type by original designation (also monotypic). •Valid as Scleronema Eigenmann 1917 -- (Burgess 1989:321 [ref. 12860], de Pinna 1989:31 [ref. 12630], Malabarba 1989:145 [ref. 14217], Arratia 1990:400 [ref. 16581], Arratia 1998:366 [ref. 23661], de Pinna 1998:300 [ref. 23847], de Pinna & Wosiacki in Reis et al. 2003:278 [ref. 27061], Ferraris 2007:413 [ref. 29155], Sarmento-Soares et al. 2011:268 [ref. 31385], Datovo et al. 2012:40 [ref. 31994], Lezuma et al. 2012:60 [ref. 32020], Fernández et al. 2015:14 [ref. 35041], Bertaco et al. 2016:421 [ref. 34561], Ferrer & Malabarba 2020:5 [ref. 37587], Costa et al. 2022:92 [ref. 39059], Bockmann et al. 2023:1 [ref. 40227], Costa et al. 2025:8 [ref. 42342], Costa 2026:17 [ref. 42799]). Current status: Valid as Scleronema Eigenmann 1917. Trichomycteridae: Trichomycterinae.

Silvinichthys Arratia [G.] 1998:356 Masc. Trichomycterus mendozensis Arratia, Chang G., Menu-Marque & Rojas M. 1978. Type by monotypy. •Valid as Silvinichthys Arratia 1998 -- (Fernández & Bichuette 2002:278 [ref. 26539], de Pinna & Wosiacki in Reis et al. 2003:278 [ref. 27061], Fernández & de Pinna 2005:100 [ref. 28093], Ferraris 2007:413 [ref. 29155], Sarmento-Soares et al. 2011:268 [ref. 31385], Rizzato et al. 2011:478 [ref. 31516], Fernández et al. 2011:227 [ref. 31662], Datovo et al. 2012:40 [ref. 31994], Lezuma et al. 2012:60 [ref. 32020], Bichuette & Rizzato 2012:48 [ref. 32163], Fernández et al. 2013:367 [ref. 32531], Fernández et al. 2014:372 [ref. 33141], Fernández & Liotta 2016:375 [ref. 34919], Fernández et al. 2017:41 [ref. 35112], Costa et al. 2025:8 [ref. 42342]). Current status: Valid as Silvinichthys Arratia 1998. Trichomycteridae: Trichomycterinae.

Stauroglanis de Pinna [M. C. C.] 1989:6 Masc. Stauroglanis gouldingi de Pinna 1989. Type by original designation (also monotypic). •Valid as Stauroglanis de Pinna 1989 -- (Costa & Bockmann 1994:715 [ref. 21339], Costa 1994:213 [ref. 21567], Burgess & Finley 1996:168 [ref. 22901], de Pinna & Wosiacki in Reis et al. 2003:278 [ref. 27061], Ferraris 2007:413 [ref. 29155], Mattos & Lima 2010:233 [ref. 31040], Wosiacki et al. 2011:63 [ref. 31139], Bockmann et al. 2023:37 [ref. 40227]). Current status: Valid as Stauroglanis de Pinna 1989. Trichomycteridae: Sarcoglanidinae.

Stegophilus Reinhardt [J. T.] 1859:83 [? 5] Masc. Stegophilus insidiosus Reinhardt 1859. Type by monotypy. •Valid as Stegophilus Reinhardt 1859 -- (Burgess 1989:323 [ref. 12860], de Pinna & Wosiacki in Reis et al. 2003:278 [ref. 27061], Ferraris 2007:414 [ref. 29155] with p. 5, DoNascimiento 2015:952 [ref. 34078] in Stegophilinae). Current status: Valid as Stegophilus Reinhardt 1859. Trichomycteridae: Stegophilinae.

Stenolicmus de Pinna [M. C. C.] & Starnes [W. C.] 1990:77 Masc. Stenolicmus sarmientoi de Pinna & Starnes 1990. Type by original designation (also monotypic). •Valid as Stenolicmus de Pinna & Starnes 1990 -- (Costa & Bockmann 1994:715 [ref. 21339], Costa 1994:213 [ref. 21567], Burgess & Finley 1996:168 [ref. 22901], de Pinna & Wosiacki in Reis et al. 2003:279 [ref. 27061], Ferraris 2007:414 [ref. 29155] Mattos et al. 2008:161 [ref. 29875], Mattos & Lima 2010:233 [ref. 31040], Wosiacki et al. 2011:63 [ref. 31139]). Current status: Valid as Stenolicmus de Pinna & Starnes 1990. Trichomycteridae: Sarcoglanidinae.

Thrichomycterus Humboldt [F. H. A. von] 1805:18 Masc. Eremophilus mutisii Humboldt 1805. Type by monotypy. Appeared in synonymy of Eremophilus Humboldt 1805. Given as an alternate name, but never used subsequently according to de Pinna & Wosiacki in Reis et al. 2003:273 [ref. 27061]. •Synonym of Eremophilus Humboldt 1805 -- (de Pinna & Wosiacki in Reis et al. 2003:273 [ref. 27061], Ferraris 2007:404 [ref. 29155]). Current status: Synonym of Eremophilus Humboldt 1805. Trichomycteridae: Trichomycterinae.

Trachypoma Giebel [C. G. A.] 1871:97 Neut. Trachypoma marmoratum Giebel 1871. Type by original designation (also monotypic). Objectively invalid; preoccupied by Trachypoma Günther 1859 in fishes; not replaced. •In the synonymy of Eremophilus Humboldt 1805 -- (de Pinna & Wosiacki in Reis et al. 2003:273 [ref. 27061], Ferraris 2007:404 [ref. 29155]). 1°Homonym. Current status: Synonym of Eremophilus Humboldt 1805. Trichomycteridae: Trichomycterinae.

Trichocambeva (subgenus of Microcambeva) Costa [W. J. E. M.] & Katz [A. M.] 2021:333 Fem. Microcambeva filamentosa Costa, Katz & Vilardo 2020. Type by original designation (and monotypic). •Synonym of Microcambeva Costa & Bockmann 1994, but a valid subgenus as described. Current status: Synonym of Microcambeva Costa & Bockmann 1994. Trichomycteridae: Sarcoglanidinae.

Trichogenes Britski [H. A.] & Ortega [H.] 1983:211 Masc. Trichogenes longipinnis Britski & Ortega 1983. Type by original designation (also monotypic). Treated as masculine, Art. 30.2.4. •Valid as Trichogenes Britski & Ortega 1983 -- (Burgess 1989:323 [ref. 12860], de Pinna 1989:27 [ref. 12630], de Pinna 1998:298 [ref. 23847], de Pinna & Wosiacki in Reis et al. 2003:279 [ref. 27061], Ferraris 2007:414 [ref. 29155], de Pinna et al. 2010:708 [ref. 31073], de Pinna et al. 2020:1 [ref. 37460]). Current status: Valid as Trichogenes Britski & Ortega 1983. Trichomycteridae: Trichogeninae.

Trichomycterus Valenciennes [A.] (ex Humboldt) 1832:348 Masc. Trichomycterus nigricans Valenciennes 1832. Type by original designation (also monotypic). Unneeded replacement for Eremophilus Humboldt 1805. Based on Thrichomycterus of Humboldt 1805:18 [ref. 2278], which appeared as a synonym of Eremophilus Humboldt 1805; in prevailing usage as a genus different from Eremophilus. Spelled once (p. 485) as Thrychomycterus by Valenciennes in Cuvier & Valenciennes 1846:485 [ref. 1011], and as Thrichomycterus in early literature. Described in van der Hoeven 1855:286 [ref. 6527] as "Trichomycterus (Humboldt) nob."; apparently not an original description. •Valid as Trichomycterus Valenciennes 1832 -- (Arratia et al. 1978 [ref. 144] with type as areolatus, de Pinna 1989:31 [ref. 12630], Burgess 1989:321 [ref. 12860], Malabarba 1989:146 [ref. 14217], Arratia 1990:397 [ref. 16581], Costa 1992 [ref. 19725], Bizerril 1994:617 [ref. 22673], de Pinna 1998:297, 300 [ref. 23847], Britski et al. 1999:92 [ref. 24147], Dyer 2000:84 [ref. 26678], Fernandez 2000:349 [ref. 25077], Fernández & Vari 2000:993 [ref. 25017], Fernández & Bichuette 2002:273 [ref. 26539], de Pinna & Wosiacki in Reis et al. 2003:279 [ref. 27061], Wosiacki & Garavello 2004:1 [ref. 27649], Triques & Vono 2004:162 [ref. 27798], Bockmann & Sazima 2004:69 [ref. 27865], Wosiacki 2005:50 [ref. 28658], Fernández & Osinaga 2006:385 [ref. 28738], Castellanos-Morales 2007:49 [ref. 29323], Fernández & Chuquihuamaní 2007:49 [ref. 29320], Fernández & Miranda 2007:1303 [ref. 29361], Ferraris 2007:414 [ref. 29155], Wosiacki & de Pinna 2008:17 [ref. 29574], Castellanos-Morales 2008:307 [ref. 29836], Lima et al. 2008:315 [ref. 29837], Barbosa & Costa 2008:176 [ref. 29961], Ardila Rodríguez 2008:33 [ref. 30122], Fernández & Vari 2009:195 [ref. 30062], da Silva et al. 2010:49 [ref. 30755], Barbosa & Costa 2010:97 [ref. 30782], Barbosa & Costa 2010:193 [ref. 31070], Ferrer & Malabarba 2011:59 [ref. 31348], Ardila Rodríguez 2011:3 [ref. 31409], Ardila Rodríguez 2011:13 [ref. 31410], Sarmento-Soares et al. 2011:261 [ref. 31385], Castellanos-Morales 2011:33 [ref. 31477], Rizzato et al. 2011:477 [ref. 31516], Fernández et al. 2011:227 [ref. 31662], Barbosa & Costa 2012:79 [ref. 31901], Datovo et al. 2012:40 [ref. 31994], Lezuma et al. 2012:60 [ref. 32020], Dutra et al. 2012:225 [ref. 32029], Barbosa & Costa 2012:155 [ref. 32045], Bichuette & Rizzato 2012:48 [ref. 32163], Barbosa & Azevedo-Santos 2012:357 [ref. 32318], Fernández & Vari 2012:631 [ref. 32359], Katz et al. 2013:359 [ref. 32530], Ferrer & Malabarba 2013:217 [ref. 32750], Barbosa 2013:269 [ref. 33106], Katz & Barbosa 2014:3 [ref. 33418], DoNascimiento et al. 2014:717 [ref. 33632], Ardila Rodríguez 2014:2 [ref. 33769], Fernández et al. 2015:9 [ref. 35041], Ardila Rodríguez 2016:4 [ref. 34399], García-Melo et al. 2016:226 [ref. 34471], Henschel 2016:117 [ref. 34775], Bertaco et al. 2016:421 [ref. 34561], Barbosa & Katz 2016:261 [ref. 34950], Ardila Rodríguez 2016:1 [ref. 35108], Terán et al. 2017:1 [ref. 35391], Nascimento et al. 2017:503 [ref. 35440], Ardila Rodríguez 2017:1 [ref. 35579], Ochoa et al. 2017:550 [ref. 35582], Ardila Rodríguez 2017:1 [ref. 35812], Ardila Rodríguez 2018:1 [ref. 35926], Angulo et al. 2018:530 [ref. 35937], Mesa S. et al. 2018:95 [ref. 35987], Castellanos-Morales 2018:117 [ref. 35988], Fernández & Andreoli Bize 2018:359 [ref. 36232], Ardila Rodríguez 2018:1 [ref. 36278], Reis & de Pinna 2019:100 [ref. 36632], Reis et al. 2019:[1] [ref. 36902], Ardila Rodríguez 2019:1 [ref. 36944], DoNascimiento & Prada-Pedreros 2020:1 [ref. 37386], Donin et al. 2020:1 [ref. 37395], Miranda & Fernández 2020:459 [ref. 37703], Vilardo et al. 2020:1 [ref. 37847], Reis et al. 2020:1 [ref. 37862], Costa et al. 2020:74 [ref. 38088], Costa & Katz 2021:1 [ref. 38252], Costa et al. 2021:124 [ref. 38372], Costa 2021:173 [ref. 38391], Costa & Katz 2022:13 [ref. 38971], Costa et al. 2022:1 [ref. 39248], Costa et al. 2022:151 [ref. 39290], Reis & de Pinna 2022:1 [ref. 39360], Costa et al. 2022:491 [ref. 39820], Costa et al. 2023:1 [ref. 40170], Costa et al. 2023:1 [ref. 40511], Fernández et al. 2023:456 [ref. 40542], Ardila Rodríguez 2023:1 [ref. 40606], Ardila Rodríguez 2023:1 [ref. 40609], Vilardo et al. 2023:4 [ref. 40643], Akin et al. 2024:603 [ref. 41787], Ardila Rodríguez 2023:1 [ref. 40647], Ardila Rodríguez 2024:1 [ref. 41039], Ardila Rodríguez 2024:1 [ref. 41346], Ardila Rodríguez 2024:1 [ref. 41675], Costa et al. 2024:223 [ref. 40868], Costa et al. 2024:755 [ref. 41213], Costa et al. 2024:122 [ref. 41685], Ardila Rodríguez 2025:1 [ref. 42104], Ardila Rodríguez 2025:1 [ref. 42254], Costa et al. 2025:1 [ref. 42342], Costa et al. 2025:176 [ref. 42356], Ardila Rodríguez 2025:1 [ref. 42474], Ardila Rodríguez 2025:1 [ref. 42585], Costa 2026:18 [ref. 42799], Ardila Rodríguez 2026:1 [ref. 42820]). Replacement Name. Current status: Valid as Trichomycterus Valenciennes 1832. Trichomycteridae: Trichomycterinae.

Tridens Eigenmann [C. H.] & Eigenmann [R. S.] 1889:53 Masc. Tridens melanops Eigenmann & Eigenmann 1889. Type by original designation. •Valid as Tridens Eigenmann & Eigenmann 1889 -- (Burgess 1989:325 [ref. 12860], Azpelicueta 1990:986 [ref. 19207], de Pinna & Wosiacki in Reis et al. 2003:286 [ref. 27061], Ferraris 2007:426 [ref. 29155], Henschel et al. 2023:1 [ref. 40194]). Current status: Valid as Tridens Eigenmann & Eigenmann 1889. Trichomycteridae: Tridentinae.

Tridensimilis Schultz [L. P.] 1944:(257) 266 Masc. Tridensimilis venezuelae Schultz 1944. Type by original designation. •Valid as Tridensimilis Schultz 1944 -- (Burgess 1989:325 [ref. 12860], de Pinna 1989 [ref. 12630], Azpelicueta 1990:987 [ref. 19207], de Pinna & Wosiacki in Reis et al. 2003:286 [ref. 27061], Ferraris 2007:426 [ref. 29155]). Current status: Valid as Tridensimilis Schultz 1944. Trichomycteridae: Tridentinae.

Tridentopsis Myers [G. S.] 1925:84 Fem. Tridentopsis pearsoni Myers 1925. Type by original designation. •Valid as Tridentopsis Myers 1925 -- (Burgess 1989:325 [ref. 12860], de Pinna 1989 [ref. 12630], Azpelicueta 1990:987 [ref. 19207], de Pinna & Wosiacki in Reis et al. 2003:286 [ref. 27061], Ferraris 2007:426 [ref. 29155], Fernández et al. 2015:13 [ref. 35041]). Current status: Valid as Tridentopsis Myers 1925. Trichomycteridae: Tridentinae.

Typhlobelus Myers [G. S.] 1944:593 Masc. Typhlobelus ternetzi Myers 1944. Type by original designation (also monotypic). •Valid as Typhlobelus Myers 1944 -- (Burgess 1989:325 [ref. 12860], Pinna 1989 [ref. 12630], de Pinna 1989:372 [ref. 13515], Costa & Bockmann 1994 [ref. 21364], Landim & Costa 2002:152 [ref. 25896], de Pinna & Wosiacki 2002:721 [ref. 26545], de Pinna & Wosiacki in Reis et al. 2003:286 [ref. 27061], Schaefer et al. 2005:14 [ref. 28427], Ferraris 2007:426 [ref. 29155], de Pinna & Kirovsky 2011:493 [ref. 31517], de Pinna & Zuanon 2013:444 [ref. 32921], Bockmann et al. 2023:37 [ref. 40227]). Current status: Valid as Typhlobelus Myers 1944. Trichomycteridae: Glanapteryginae.

Urinophilus Eigenmann [C. H.] 1918:358 Masc. Vandellia sanguinea Eigenmann 1917. Type by subsequent designation. Species referred and type designated by Eigenmann 1920:441 [ref. 12609]; originally described without clear indication of included species. •Synonym of Vandellia Valenciennes 1846 -- (de Pinna & Wosiacki in Reis et al. 2003:286 [ref. 27061], Ferraris 2007:427 [ref. 29155]). Current status: Synonym of Vandellia Valenciennes 1846. Trichomycteridae: Vandelliinae.

Vandellia Valenciennes [A.] in Cuvier & Valenciennes 1846:386 Fem. Vandellia cirrhosa Valenciennes 1846. Type by monotypy. •Valid as Vandellia Valenciennes 1846 -- (Schmidt 1987 [ref. 6780], Burgess 1989:324 [ref. 12860], Schmidt 1993:189 [ref. 22299], de Pinna & Wosiacki in Reis et al. 2003:286 [ref. 27061], Ferraris 2007:427 [ref. 29155]). Current status: Valid as Vandellia Valenciennes 1846. Trichomycteridae: Vandelliinae.