Species that contain: Cheirodon and interruptus [ 7 ] records

felipponei, Pedalibrycon Fowler [H. W.] 1943:314, Figs. 4-6 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 95; ref. 1444] Río Gi, Departamento del Iluranto, Uruguay. Holotype: ANSP 70332. Paratypes: ANSP 67820 (1), 67831 (1, missing). Type catalog: Böhlke 1984:46 [ref. 13621]. •In part a synonym of Cheirodon interruptus (Jenyns 1842) -- (Malabarba 1989:133 [ref. 14217], Malabarba 1998:215 [ref. 23844]). •Valid as Odontostilbe felipponei (Fowler 1943) -- (Casciotta et al. 1992:8 [ref. 21059]). •Synonym of Cheirodon interruptus (Jenyns 1842) -- (Malabarba in Reis et al. 2003:216 [ref. 27061], Litz & Koerber 2014:11 [ref. 33622], Mirande & Koerber 2015:19 [ref. 35117]). Current status: Synonym of Cheirodon interruptus (Jenyns 1842). Characidae: Cheirodontinae. Habitat: freshwater.

ibicuhiensis, Cheirodon interruptus var. Eigenmann [C. H.] 1915:74 [Memoirs of the Carnegie Museum v. 7 (no. 1); ref. 1231] Cacequy [Cacequi], Rio Ibicuí, Rio Grande do Sul, Brazil. Syntypes: CAS-SU 17515 [ex CM 6816] (1), FMNH 57833 [ex CM 6816] (7), 98573 [ex FMNH 57833] (1). Type catalog: Böhlke 1953:23 [ref. 12291], Ibarra & Stewart 1987:23 [ref. 12367]. Lectotype listed as FMNH 57883 [ex 6861] by Malabarba in Reis et al. 2003:216 [ref. 27061] but does not meet the requirements of the 1999 Code unless the code is emended. •Valid as Cheirodon ibicuhiensis Eigenmann 1915 -- (Malabarba 1989:133 [ref. 14217], Casciotta et al. 1992:10 [ref. 21059], Malabarba 1998:215 [ref. 23844], Malabarba in Reis et al. 2003:216 [ref. 27061], Mantinian et al. 2008:38 [ref. 34297], Miquelarena et al. 2008:61 [ref. 29829], Koerber 2011:2 [ref. 31122], Koerber 2014:3 [ref. 33621], Litz & Koerber 2014:11 [ref. 33622], Mirande & Koerber 2015:19 [ref. 35117], Bertaco et al. 2016:413 [ref. 34561], Petry et al. 2016:301 [ref. 34966], Nión et al. 2016:28 [ref. 35565], Giora & Wingert 2023:129 [ref. 41026], Loureiro et al. 2023:59 [ref. 40506]). Current status: Valid as Cheirodon ibicuhiensis Eigenmann 1915. Characidae: Cheirodontinae. Distribution: South America: Laguna dos Patos, Uruguay and Tramandaí River basins (Argentina, Brazil and Uruguay). Habitat: freshwater, brackish.

interruptus, Tetragonopterus Jenyns [L.] 1842:127, Pl. 23 (fig. 4) [The zoology of the voyage of H. M. S. Beagle; ref. 2344] Laguna del Diario, 34°54'S, 55°00'W, in Maldonado, Uruguay. Syntypes: BMNH 1917.7.14.16-17 (2). See Calviño 2007:40 [ref. 29380] for information on the type locality. •Valid as Cheirodon interruptus (Jenyns 1842), subspecies interruptus -- (Pequeño 1989:40 [ref. 14125], Malabarba 1989:133 [ref. 14217], Malabarba 1998:215 [ref. 23844], López et al. 2002:63 [ref. 26808]). •Valid as Cheirodon interruptus (Jenyns 1842) -- (Campos 1982:129 [ref. 8500], Casciotta et al. 1992:10 [ref. 21059], Haro et al. 1996:6 [ref. 25004], Dyer 2000:89 [ref. 26678], Zarske 2001:15 [ref. 25834], Malabarba in Reis et al. 2003:216 [ref. 27061], López et al. 2003:30 [ref. 27366], Casciotta et al. 2003:110 [ref. 28130], Menni 2004:78 [ref. 28131], Mantinian et al. 2008:37 [ref. 34297], Miquelarena et al. 2008:63 [ref. 29829], Azpelicueta et al. 2010:2 [ref. 41139], Mirande 2010:533 [ref. 31006], Litz & Koerber 2014:11 [ref. 33622], Mirande & Koerber 2015:19 [ref. 35117], Bertaco et al. 2016:413 [ref. 34561], Petry et al. 2016:301 [ref. 34966], Nión et al. 2016:28 [ref. 35565], Giora & Wingert 2023:130 [ref. 41026], Loureiro et al. 2023:59 [ref. 40506]). Current status: Valid as Cheirodon interruptus (Jenyns 1842). Characidae: Cheirodontinae. Distribution: South America: Argentina, Brazil and Uruguay. Introduced in Chile. Habitat: freshwater.

leuciscus, Cheirodon Ahl [E.] 1936:19 [Zoologischer Anzeiger v. 114 (nos 1/2); ref. 13683] Rosario de Sante Fé, Argentina. Lectotype: ZMB 20802. Paralectotypes: ZMB 32432 (3). Types mentioned: Paepke 1995:92 [ref. 21847], Zarske & Géry 1995:108, Fig. 5 [ref. 22674]. Lectotype selected by Zarske & Géry 1995:108 [ref. 22674]. •Synonym of Cheirodon interruptus (Jenyns 1842) -- (Zarske & Géry 1995:118 [ref. 22674], Malabarba 1998:215 [ref. 23844], Zarske 2001:15 [ref. 25834], Malabarba in Reis et al. 2003:216 [ref. 27061], Litz & Koerber 2014:11 [ref. 33622], Mirande & Koerber 2015:19 [ref. 35117]). Current status: Synonym of Cheirodon interruptus (Jenyns 1842). Characidae: Cheirodontinae. Habitat: freshwater.

meinkeni, Cheirodon Ahl [E.] 1928:320 [Zoologischer Anzeiger v. 77 (nos 11/12) (art. 4); ref. 15831] East coast of South America, between Rio de Janeiro and Bahia [locality erroneous]. Lectotype: ZMB 20786. Paralectotype: ZMB 32433 (1). Lectotype selected by Zarske & Géry 1995:109 [ref. 22674] and illustrated in Fig. 6. •Synonym of Cheirodon interruptus (Jenyns 1842) -- (Zarske & Géry 1995:118 [ref. 22674], Malabarba 1998:215 [ref. 23844], Zarske 2001:15 [ref. 25834], Malabarba in Reis et al. 2003:216 [ref. 27061], Litz & Koerber 2014:11 [ref. 33622], Mirande & Koerber 2015:19 [ref. 35117], Chuctaya et al. 2024:129 [ref. 40817]). Current status: Synonym of Cheirodon interruptus (Jenyns 1842). Characidae: Cheirodontinae. Habitat: freshwater.

monodon, Chirodon Cope [E. D.] 1894:91, Pl. 6 (fig. 9) [Proceedings of the American Philosophical Society v. 33; ref. 965] Rio Grande do Sul, Brazil [probably Sistema da laguna dos Patos]. Lectotype: ANSP 21561. Paralectotypes: (2) ANSP 21562 (1). Type catalog: Böhlke 1984:51 [ref. 13621] as holotype and paratype. Original genus should have been Cheirodon. Lectotype established by Fowler 1906:332 [ref. 1373]. •Synonym of Cheirodon interruptus (Jenyns 1842) -- (Malabarba 1989:133 [ref. 14217], Malabarba 1998:215 [ref. 23844], Malabarba in Reis et al. 2003:216 [ref. 27061], Litz & Koerber 2014:11 [ref. 33622], Mirande & Koerber 2015:19 [ref. 35117], Chuctaya et al. 2024:129 [ref. 40817]). Current status: Synonym of Cheirodon interruptus (Jenyns 1842). Characidae: Cheirodontinae. Habitat: freshwater.

nigrifrons, Hyphessobrycon Ahl [E.] 1936:23 [Zoologischer Anzeiger v. 114 (nos 1/2); ref. 13683] Pará, Amazonas, Brazil. Holotype (unique): ZMB 20800. Types mentioned: Paepke 1995:92 [ref. 21847], Zarske & Géry 1995:113, Fig. 9 [ref. 22674]. •Synonym of Cheirodon interruptus (Jenyns 1842) -- (Zarske & Géry 1995:119 [ref. 22674], Malabarba in Reis et al. 2003:216 [ref. 27061], Litz & Koerber 2014:11 [ref. 33622], Mirande & Koerber 2015:19 [ref. 35117]). Current status: Synonym of Cheirodon interruptus (Jenyns 1842). Characidae: Cheirodontinae. Habitat: freshwater.