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Genera in the family or subfamily Stichonodontinae: [ 7 ] records

Gymnotichthys Fernández-Yépez [A.] 1950:9 Masc. Gymnotichthys hildae Fernández-Yépez 1950. Type by original designation (also monotypic). Mentioned in Gymnotichthys -- (Géry 1977:451 [ref. 1597]). •Valid as Gymnotichthys Fernández-Yépez 1950 -- (Pavanelli in Reis et al. 2003:128 [ref. 27061], Mirande 2009:11 [ref. 30267] as incertae sedis in Characidae, Mirande 2010:546 [ref. 31006]). •Synonym of Moenkhausia Eigenmann 1903 -- (Marinho & Langeani 2016:340 [ref. 34416]). Current status: Synonym of Moenkhausia Eigenmann 1903. Acestrorhamphidae: Stichonodontinae.

Hasemania Ellis [M. D.] 1911:148 Fem. Hasemania melanura Ellis 1911. Type by original designation. •Valid as Hasemania Ellis 1911 -- (Géry 1977:518 [ref. 1597], Lima & Gerhard 2001:111 [ref. 25355], Pavanelli in Reis et al. 2003:128 [ref. 27061], Bertaco & Malabarba 2007:350 [ref. 29142], Mirande 2009:7 [ref. 30267] in Characidae, Hemigrammus clade, Zanata & Serra 2010:21 [ref. 30751], Bertaco & Carvalho 2010:27 [ref. 30752], Mirande 2010:500 [ref. 31006] in Characidae, Tetragonopterinae, Sarmiento et al. 2014:184 [ref. 35004], Serra & Langeani 2015:479 [ref. 33944], Melo et al. 2024:22 [ref. 41541] in Stichonodontinae, Teixeira et al. 2025:131 [ref. 42053]). Current status: Valid as Hasemania Ellis 1911. Acestrorhamphidae: Stichonodontinae.

Luetkenia Steindachner [F.] 1876:85 Fem. Luetkenia insignis Steindachner 1876. Type by monotypy. Originally as Lütkenia; correction mandatory. Apparently preoccupied by Lütkenia Claus 1864 in Crustacea [not investigated], replaced by Stichonodon Eigenmann 1903. •Objective synonym of Stichonodon Eigenmann 1903 -- (Reis in Reis et al. 2003:156 [ref. 27061]). Current status: Synonym of Stichonodon Eigenmann 1903. Acestrorhamphidae: Stichonodontinae.

Moenkhausia Eigenmann [C. H.] 1903:145 Fem. Tetragonopterus xinguensis Steindachner 1882. Type by original designation (also monotypic). •Valid as Moenkhausia Eigenmann 1903 -- (Géry 1977:438 [ref. 1597], Géry 1992 [ref. 20972], Taphorn 1992:266 [ref. 23654], Britski et al. 1999:32 [ref. 24147], Lima & Toledo-Piza 2001:1058 [ref. 25823], Zarske & Géry 2002:17 [ref. 26554], Benine 2002:289 [ref. 26541], Benine in Reis et al. 2003:145 [ref. 27061], Benine et al. 2004:68 [ref. 27502], Géry & Zarske 2004:40 [ref. 28287], Bertaco & Lucinda 2006:64 [ref. 28492], Lima & Birindelli 2006:53 [ref. 28635], Lucinda et al. 2007:61, 66 [ref. 29183], Benine et al. 2009:161 [ref. 30250], Mirande 2009:7 [ref. 30267] in Characidae, Hemigrammus clade, Zanata et al. 2010:2615 [ref. 30712], Sousa et al. 2010:255 [ref. 30683], Marinho & Langeani 2010:879 [ref. 30927], Marinho & Langeani 2010:57 [ref. 30941], Marinho 2010:655 [ref. 30977], Mirande 2010:500 [ref. 31006] in Characidae, Tetragonopterinae, Melo et al. 2011:53 [ref. 31233], Bertaco et al. 2011:57 [ref. 31234], Bertaco et al. 2011:29 [ref. 31403], Carvalho et al. 2014:377 [ref. 33383], Pastana & Dagosta 2014:389 [ref. 33384], Petrolli & Benine 2015:401 [ref. 33887], Dagosta et al. 2015:417 [ref. 33998], Ohara & Lima 2015:159 [ref. 34046], Oliveira & Marinho 2016:566 [ref. 34342], Marinho et al. 2016:243 [ref. 34376], Ohara & Marinho 2016:[1] 37 [ref. 34383], Petrolli et al. 2016:159 [ref. 34395], Marinho & Langeani 2016:338 [ref. 34416], Dagosta & Marinho 2016:[1] [ref. 34498], Bertaco et al. 2016:414 [ref. 34561], Azevedo-Santos & Benine 2016:203 [ref. 34837], Soares & Bührnheim 2016:392 [ref. 34972]. Soares et al. 2017:255 [ref. 35237], Britzke et al. 2018:1 [ref. 36024], Lima & Soares 2018:69 [ref. 36077], Deprá et al. 2018:87 [ref. 36283], Soares et al. 2019:232 [ref. 36688], Soares & Benine 2019:487 [ref. 37120], Mathubara & Toledo-Piza 2020:1 [ref. 37766], Mathubara & Toledo-Piza 2020:1 [ref. 37778], Marinho et al. 2021:1 [ref. 38394], Reia et al. 2021:1 [ref. 38583], Marinho & Dagosta 2023:1 [ref. 40358], Lima et al. 2023:586 [ref. 40391], Reia et al. 2024:1 [ref. 40849], Melo et al. 2024:22 [ref. 41541] in Stichonodontinae, Silva et al. 2025:1 [ref. 42364]). Current status: Valid as Moenkhausia Eigenmann 1903. Acestrorhamphidae: Stichonodontinae.

Nematocharax Weitzman [S. H.], Menezes [N. A.] & Britski [H. A.] 1986:335 Masc. Nematocharax venustus Weitzman, Menezes & Britski 1986. Type by original designation (also monotypic). •Valid as Nematocharax Weitzman, Menezes & Britski 1986 -- (Malabarba in Reis et al. 2003:151 [ref. 27061], Mirande 2009:7 [ref. 30267] in Characidae, Rhoadsiinae with question, Mirande 2010:499 [ref. 31006], Thomaz et al. 2010:1350 [ref. 31210], Negreiros de Bragança et al. 2013:3 [ref. 32664], Menezes et al. 2015:453 [ref. 33689], Barreto et al. 2018:1151 [ref. 36378], Melo et al. 2024:22 [ref. 41541] in Stichonodontinae). Current status: Valid as Nematocharax Weitzman, Menezes & Britski 1986. Acestrorhamphidae: Stichonodontinae.

Pristicharax Fowler [H. W.] 1949:1 Masc. Pristicharax hanseni Fowler 1949. Type by original designation (also monotypic). •Synonym of Hasemania Ellis 1911 -- (see Weitzman & Fink 1985:2 [ref. 5203], Pavanelli in Reis et al. 2003:128 [ref. 27061]). Current status: Synonym of Hasemania Ellis 1911. Acestrorhamphidae: Stichonodontinae.

Stichonodon Eigenmann [C. H.] 1903:146 Masc. Luetkenia insignis Steindachner 1876. Type by being a replacement name. Replacement for Luetkenia [original Lütkenia] Steindachner 1877, perhaps preoccupied by Lutkenia Claus 1864 in Crustacea [original spelling not investigated]. Misspelled Stichanodon by Eigenmann 1910:441 [ref. 1224]. •Valid as Stichonodon Eigenmann 1903 -- (Géry 1977:534 [ref. 1597], Reis in Reis et al. 2003:156 [ref. 27061], Mirande 2009:7 [ref. 30267] in Characidae, Stethaprioninae, Mirande 2010:500 [ref. 31006] in Characidae, Tetragonopterinae, Melo et al. 2024:22 [ref. 41541] in Stichonodontinae). Current status: Valid as Stichonodon Eigenmann 1903. Acestrorhamphidae: Stichonodontinae.