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

Species in the genus Deuterodon: [ 25 ] records

amniculus, Deuterodon Lucena [Z. M. S. de] & Lucena [C. A. S. de] 1992:127, Fig. 5 [Communicações do Museu de Ciências da PUCRS v. 5 (nos 1-12); ref. 21970] Arroio Lindo, Pirabeiraba, Joinville, about 26°10'S, 48°57'W, Santa Catarina, Brazil. Holotype: MCP 14755. Paratypes: MCP 10623 (19); plus additional material. •Synonym of Deuterodon langei Travassos 1957 -- (Lucena & Lucena 2002:128 [ref. 26205], Lucena et al. in Reis et al. 2003:127 [ref. 27061], Lucena et al. in Reis et al. 2003:127 [ref. 27061]). Current status: Synonym of Deuterodon langei Travassos 1957. Acestrorhamphidae: Stygichthyinae. Habitat: freshwater.

burgerai, Astyanax Zanata [A. M.] & Camelier [P.] 2009:180, Figs. 6-7 [Neotropical Ichthyology v. 7 (no. 2); ref. 30252] Córrego Água Boa on road between Floresta Azul and Almadina, tributary of riacho Pancadinha, itself a tributary of rio Almada, 14°44'42"S, 39°38'40"W, Almadina, Bahia State, Brazil. Holotype: MZUSP 101245. Paratypes: UFBA 4346 (15, 1 c&s). •Valid as Astyanax burgerai Zanata & Camelier 2009 -- (Tagliacollo et al. 2011:41 [ref. 31138], Oliveira et al. 2013:292 [ref. 32756], Ingenito & Duboc 2014:282 [ref. 33374], Zanata et al. 2017:508 [ref. 35145], da Graça et al. 2017:12 [ref. 35556], Oliveira et al. 2017:179 [ref. 35587], Zanata et al. 2018:486 [ref. 35984], Silva et al. 2020:5 [ref. 37809]). •Valid as Deuterodon burgerai (Zanata & Camelier 2009) -- (Terán et al. 2020:7 [ref. 37440], Vieira-Guimarães et al. 2024:38 [ref. 41258]). Current status: Valid as Deuterodon burgerai (Zanata & Camelier 2009). Acestrorhamphidae: Stygichthyinae. Distribution: South America: Rio Almada, coastal drainage, southern Bahia (Brazil) endemic. Habitat: freshwater.

garujo, Deuterodon Lucena [Z. M. S. de] & Lucena [C. A. S. de] 1992:130, Fig. 5 [Communicações do Museu de Ciências da PUCRS v. 5 (nos 1-12); ref. 21970] Rio Garuvá, Paraná, Garuvá, about 25°59'S, 48°55'W, Santa Catarina, Brazil. Holotype: MCP 14654. Paratypes: MCP 13973 (710), ?MZUSP 43765 (2); plus additional material. Type catalog: Oyakawa 1996:465 [ref. 23140]. •Synonym of Deuterodon langei Travassos 1957 -- (Lucena & Lucena 2002:128 [ref. 26205], Lucena et al. in Reis et al. 2003:127 [ref. 27061]). Current status: Synonym of Deuterodon langei Travassos 1957. Acestrorhamphidae: Stygichthyinae. Habitat: freshwater.

giton, Astyanax Eigenmann [C. H.] 1908:97 [Bulletin of the Museum of Comparative Zoology v. 52 (no. 6); ref. 1221] Paraíba River, Rio de Janeiro State, Brazil. Lectotype: MCZ 20936. Paralectotypes: CAS 42482 [ex IU 15266 / ex MCZ 20936 smaller] (1). Lectotype selected by Eigenmann 1921:281 [ref. 12359]. •Valid as Astyanax giton Eigenmann 1908 -- (Azpelicueta & Garcia 2000:252 [ref. 25142], de Melo 2001:5 [ref. 27458], Buckup in Reis et al. 2003:109 [ref. 27061], Vari & Castro 2007:159 [ref. 29039], Mirande et al. 2007:37 [ref. 29333], Catelani et al. 2014:931 [ref. 37496], Salgado 2021:9 [ref. 38719]). •Valid as Deuterodon giton (Eigenmann 1908) -- (Terán et al. 2020:7 [ref. 37440], Vieira-Guimarães et al. 2024:38 [ref. 41258]). Current status: Valid as Deuterodon giton (Eigenmann 1908). Acestrorhamphidae: Stygichthyinae. Distribution: South America: Paraíba River basin, Rio de Janeiro (Brazil). Habitat: freshwater, brackish.

hamatilis, Astyanax Camelier [P.] & Zanata [A. M.] 2014:477, Figs. 1-4 [Journal of Fish Biology v. 84 (no. 2); ref. 33136] Rio Utinga, tributary of Rio Santo Antônio, on road BR 242, Rio Paraguaçu basin, Sao José Village, Lençóis¸ Bahia State, Brazil, 12°30'14.7"S, 41°12'24.1"W, elevation 363 meters. Holotype: MZUSP 111500. Paratypes: ANSP, MCP, MZUSP. UFBA. •Valid as Astyanax hamatilis Camelier & Zanata 2014 -- (Marinho et al. 2015:576 [ref. 33708], Bertaco & Vigo 2015:270 [ref. 33857], Zanata et al. 2017:508 [ref. 35145], Zanata et al. 2018:486 [ref. 35984], Silva et al. 2020:5 [ref. 37809]). •Valid as Deuterodon hamatilis (Camelier & Zanata 2014) -- (Terán et al. 2020:7 [ref. 37440], Vieira-Guimarães et al. 2024:38 [ref. 41258]). Current status: Valid as Deuterodon hamatilis (Camelier & Zanata 2014). Acestrorhamphidae: Stygichthyinae. Distribution: South America: upper Rio Paraguaçu basin, Bahia (Brazil) endemic. Habitat: freshwater.

hastatus, Astyanax Myers [G. S.] 1928:87 [Annals and Magazine of Natural History (Series 10) v. 2 (no. 7); ref. 3100] Southeastern Brazil (possibly in the vicinity of Rio de Janeiro, aquarium import). Holotype: USNM 92952. Paratypes: USNM 94312 (29). Type catalog: Vari & Howe 1991:6 [ref. 19022]. •Valid as Astyanax hastatus Myers 1928 -- (de Melo 2001:11 [ref. 27458], Buckup in Reis et al. 2003:110 [ref. 27061], Mirande et al. 2007:37 [ref. 29333], Salgado 2021:9 [ref. 38719]). •Valid as Deuterodon hastatus (Myers 1928) -- (Terán et al. 2020:7 [ref. 37440]). Current status: Valid as Deuterodon hastatus (Myers 1928). Acestrorhamphidae: Stygichthyinae. Distribution: South America: coastal streams in vicinity of Rio de Janeiro, Brazil. Habitat: freshwater.

heterostomus, Probolodus Eigenmann [C. H.] 1911:164, Pl. 4 (fig. 1) [Annals of the Carnegie Museum v. 8 (no. 1) (art. 3); ref. 1226] Campos on Rio Paraíba, Brazil. Holotype: FMNH 54328 [ex CM 2973]. Paratypes: FMNH 54329-30 (3, 2). Type catalog: Henn 1928:59 [ref. 12305], Ibarra & Stewart 1987:70 [ref. 12367]. •Valid as Probolodus heterostomus Eigenmann 1911 -- (Pavanelli in Reis et al. 2003:154 [ref. 27061], Mirande 2010:501 [ref. 31006], Santos & Castro 2014:405 [ref. 33386]). •Valid as Deuterodon heterostomus (Eigenmann 1911) -- (Terán et al. 2020:7 [ref. 37440]). Current status: Valid as Deuterodon heterostomus (Eigenmann 1911). Acestrorhamphidae: Stygichthyinae. Distribution: Rio Paraíba do Sul basin, coastal basins of southeastern Brazil. Habitat: freshwater.

iguape, Deuterodon Eigenmann [C. H.] in Eigenmann, McAtee & Ward 1907:140, Pl. 41 (fig. 3) [Annals of the Carnegie Museum v. 4 (no. 2) (art. 7); ref. 1261] Iguapé, Brazil. Holotype (unique): CAS 44226 [ex IU 9265]. •Valid as Deuterodon iguape Eigenmann 1907 -- (Lucena & Lucena 2002:129 [ref. 26205], Lucena et al. in Reis et al. 2003:127 [ref. 27061], Mirande 2010:502 [ref. 31006], Reis et al. 2020:459 [ref. 38364]). Current status: Valid as Deuterodon iguape Eigenmann 1907. Acestrorhamphidae: Stygichthyinae. Distribution: South America: Ribeira de Iguapé River basin (Brazil). Habitat: freshwater.

intermedius, Astyanax scabripinnis Eigenmann [C. H.] 1908:98 [Bulletin of the Museum of Comparative Zoology v. 52 (no. 6); ref. 1221] Rio Paraíba and Rio Santa Clara, Brazil. Lectotype: MCZ 20684. Paralectotypes: (many) CAS 42485 [ex MCZ 20939 & IU 15253] (1), CAS 42486 [MCZ 20684 & IU 15254] (4); MCZ 20635 (2), MCZ 20684 (6, now 5), 20919 (38), 20930 (2), 95545 (1). Lectotype selected by de Melo 2001:17 [ref. 27458]. •Synonym of Astyanax scabripinnis (Jenyns 1842), but a valid subspecies -- (Triques et al. 2003:149 [ref. 27248], Oliveira et al. 2017:180 [ref. 35587]). •Valid as Astyanax intermedius Eigenmann 1908 -- (de Melo 2001:17 [ref. 27458], Buckup in Reis et al. 2003:110 [ref. 27061], Bertaco & Lucena 2006:58 [ref. 28628], Vari & Castro 2007:159 [ref. 29039], Zanata & Camelier 2009:175 [ref. 30252], Bertaco et al. 2010:267 [ref. 30864], Tagliacollo et al. 2011:41 [ref. 31138], Ingenito & Duboc 2014:282 [ref. 33374], Marinho et al. 2015:576 [ref. 33708], Zanata et al. 2017:508 [ref. 35145], da Graça et al. 2017:13 [ref. 35556], Zanata et al. 2018:486 [ref. 35984]). •Valid as Deuterodon intermedius (Eigenmann 1908) -- (Terán et al. 2020:7 [ref. 37440], Vieira-Guimarães et al. 2024:38 [ref. 41258]). Current status: Valid as Deuterodon intermedius (Eigenmann 1908). Acestrorhamphidae: Stygichthyinae. Distribution: South America. Paraíba do Sul River basin and coastal rivers of Rio de Janeiro State (Brazil). Habitat: freshwater.

janeiroensis, Astyanax Eigenmann [C. H.] 1908:96 [Bulletin of the Museum of Comparative Zoology v. 52 (no. 6); ref. 1221] Rio de Janeiro, Brazil. Holotype (unique): MCZ 21057. •Valid as Astyanax janeiroensis Eigenmann 1980 -- (de Melo 2001:26 [ref. 27458], Buckup in Reis et al. 2003:110 [ref. 27061] Vari & Castro 2007:159 [ref. 29039], Catelani et al. 2014:931 [ref. 37496], Petry et al. 2016:301 [ref. 34966], da Graça et al. 2017:13 [ref. 35556]). •Valid as Deuterodon janeiroensis (Eigenmann 1908) -- (Reis et al. 2020:459 [ref. 38364], Terán et al. 2020:7 [ref. 37440], Vieira-Guimarães et al. 2024:38 [ref. 41258]). Current status: Valid as Deuterodon janeiroensis (Eigenmann 1908). Acestrorhamphidae: Stygichthyinae. Distribution: South America: streams around Rio de Janeiro (Brazil). Habitat: freshwater, brackish.

langei, Deuterodon Travassos [H.] 1957:81, Figs. 9-10 [Anais da Academia Brasileira de Ciências v. 29 (no. 1); ref. 12121] Córrego da Divisa, Pôrto de Cima, Paraná, Brazil. Holotype: MNRJ 8534. Paratypes: MNRJ 8532 (1), 8535 (1), 8610 (1, allotype), 8611-14 (4), 8877-79 (3). •Valid as Deuterodon langei Travassos 1957 -- (Lucena & Lucena 1992:134 [ref. 21970], Lucena & Lucena 2002:129 [ref. 26205], Lucena et al. in Reis et al. 2003:127 [ref. 27061], Mirande 2010:502 [ref. 31006], Reis et al. 2020:459 [ref. 38364]). Current status: Valid as Deuterodon langei Travassos 1957. Acestrorhamphidae: Stygichthyinae. Distribution: South America: coastal basins between Cubatão (northern) River, Santa Catarina State and the Njundiaquara River basin in Paraná State (Brazil). Habitat: freshwater.

longirostris, Tetragonopterus fasciatus var. Steindachner [F.] 1907:481 [7] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftlichen Klasse v. 116 (1. Abth.); ref. 18797] Rio Cubatao, Santa Catarina, Theresopolis, Brazil. Syntypes: (23) NMW 57508 (2), 57633 (4). On p. 7 of separate. For information regarding the type locality see Lucena & Lucena 1990 [ref. 16142]. •Valid as Astyanax longirostris (Steindachner 1907) -- (Bertaco & Malabarba 2001:232 [ref. 25645]). •Synonym of Astyanax scabripinnis (Jenyns 1842), but a valid subspecies -- (Triques et al. 2003:149 [ref. 27248]). •Valid as Deuterodon longirostris (Steindachner 1907) -- (Lucena & Lucena 2002:129 [ref. 26205], Lucena et al. in Reis et al. 2003:127 [ref. 27061], Bertaco & Lucena 2006:58 [ref. 28628]). Current status: Valid as Deuterodon longirostris (Steindachner 1907). Acestrorhamphidae: Stygichthyinae. Distribution: South America: Cubatão River drainage, Santa Catarina State, Brazil. Habitat: freshwater.

luetkenii, Tetragonopterus Boulenger [G. A.] 1887:173 [Annals and Magazine of Natural History (Series 5) v. 19 (no. 111) (art. 23); ref. 17020] San Lorenzo, Rio Grande do Sul, Brazil. Syntypes: BMNH 1885.2.3.78-80 (3), 1886.3.15.35-38 (4). •Valid as Hyphessobrycon luetkenii (Boulenger 1887) -- (Malabarba 1989:135 [ref. 14217], Britski et al. 1999:43 [ref. 24147], Lima & Malabarba in Reis et al. 2003:137-138 [ref. 27061], López et al. 2003:27 [ref. 27366], Casciotta et al. 2003:104 [ref. 28130], Menni 2004:77 [ref. 28131] as luetkeni, Almirón et al. 2004:674 [ref. 27987] as luetkeni, Almirón et al. 2006:895 [ref. 29163], Miquelarena & López 2010:6 [ref. 30749] as lüetkenii, Mirande 2010:512 [ref. 31006], Di Dario et al. 2013:262 [ref. 37503], Catelani et al. 2014:931 [ref. 37496], Litz & Koerber 2014:15 [ref. 33622], Mirande & Koerber 2015:26 [ref. 35117], Teixeira et al. 2016:474 [ref. 34088], Bertaco et al. 2016:414 [ref. 34561], Petry et al. 2016:302 [ref. 34966], Nión et al. 2016:30 [ref. 35565], Koerber et al. 2017:41 [ref. 35267]). •Valid as Deuterodon luetkenii (Boulenger 1887) -- (Koerber et al. 2020:3 [ref. 37480], Mirande & Koerber 2020:2 [ref. 37594], Reis et al. 2020:459 [ref. 38364], Terán et al. 2020:7 [ref. 37440], Koerber et al. 2021:3 [ref. 38894], Giora & Wingert 2023:131 [ref. 41026], Koerber et al. 2023:3 [ref. 40355], Loureiro et al. 2023:68 [ref. 40506], Koerber 2024:3 [ref. 41228]). Current status: Valid as Deuterodon luetkenii (Boulenger 1887). Acestrorhamphidae: Stygichthyinae. Distribution: South America: coastal river drainages and Uruguay River basin in Rio Grande do Sul State (Brazil); Paraíba do Sul River in Rio de Janeiro State; Paraguay River basin (Argentina, Brazil, Paraguay and Uruguay). Habitat: freshwater, brackish.

mutator, Astyanax Eigenmann [C. H.] 1909:18 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Savannah Landing, Upper Potaro River, Guyana (?). Holotype: FMNH 52688 [ex CM 1023]. Paratypes: (120, CM and IU) BMNH 1911.10.31.328-332 (5); CAS 39348 [ex IU 11724] (25); FMNH 7455 (5), 52689 (26), 69540 (30); NMW 62782 (2); USNM 66108 (5); ZMA 101027 (1). Type catalog: Henn 1928:61 [ref. 12305], Nijssen et al. 1982:14 [ref. 19236], Ibarra & Stewart 1987:13 [ref. 12367], Vari & Howe 1991:7 [ref. 19022]. •Valid as Astyanax mutator Eigenmann 1909 -- (Buckup in Reis et al. 2003:111 [ref. 27061]). •Synonym of Astyanax scabripinnis (Jenyns 1842), but a valid subspecies -- (Triques et al. 2003:149 [ref. 27248]). •Valid as Deuterodon mutator (Eigenmann 1909) -- (Terán et al. 2020:7 [ref. 37440], Taphorn et al. 2022:14 [ref. 41297]). Current status: Valid as Deuterodon mutator (Eigenmann 1909). Acestrorhamphidae: Stygichthyinae. Distribution: South America: Guyana endemic. Habitat: freshwater.

oyakawai, Probolodus Santos [O.] & Castro [R. M. C.] 2014:409, Figs. 1, 5-6 [Neotropical Ichthyology v. 12 (no. 2); ref. 33386] São Paulo, município de Iporanga, rio Ribeira de Iguape basin, 24°34’22"S, 8°33’34"W, Brazil. Holotype: MZUSP 114013. Paratypes: FMNH, MZUSP, ZUEC. •Valid as Probolodus oyakawai Santos & Castro 2014. •Valid as Deuterodon oyakawai (Santos & Castro 2014) -- (Terán et al. 2020:7 [ref. 37440]). Current status: Valid as Deuterodon oyakawai (Santos & Castro 2014). Acestrorhamphidae: Stygichthyinae. Distribution: Rio Ribeira de Iguape basin, Brazil. Habitat: freshwater.

parahybae, Deuterodon Eigenmann [C. H.] 1908:99 [Bulletin of the Museum of Comparative Zoology v. 52 (no. 6); ref. 1221] Itapemirim, Espirito Santo, Brazil. Syntypes: MCZ 20933 (8). •Incertae sedis in Characidae -- ([various authors] in Reis et al. 2003:104 [ref. 27061]). •Valid as Deuterodon parahybae Eigenmann 1908 -- (Vieira-Guimarães et al. 2024:38 [ref. 41258]). Current status: Valid as Deuterodon parahybae Eigenmann 1908. Acestrorhamphidae: Stygichthyinae. Distribution: South America: Itapemirim River drainage, Espirito Santo (Brazil). Habitat: freshwater.

pedri, Deuterodon Eigenmann [C. H.] 1908:98 [Bulletin of the Museum of Comparative Zoology v. 52 (no. 6); ref. 1221] Santa Anna de Ferros, Doce River basin, Minas Gerais State, Brazil, approximately 19°17'S, 43°02'W. Lectotype: MCZ 21081 (78.4 mm S.L.). Paralectotypes: MCZ 170510 (2 of 4). Lectotype selected by Lucena and Lucena 2013:598 [ref. 32570]. •Incertae sedis in Characidae -- (Lucena & Lucena 2002:119 [ref. 26205], [various authors] in Reis et al. 2003:104 [ref. 27061], Lucena & Lucena 2013:598 [ref. 32570]). •Valid as Deuterodon pedri Eigenmann 1908 -- (Silva et al. 2017:[x] [ref. 35234] but probably in a different genus, Vieira-Guimarães et al. 2024:38 [ref. 41258]). Current status: Valid as Deuterodon pedri Eigenmann 1908. Acestrorhamphidae: Stygichthyinae. Distribution: South America: Doce River drainage (southeastern Brazil). Habitat: freshwater.

potaroensis, Deuterodon Eigenmann [C. H.] 1909:27 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Amatuk Cataract, Potaro River, Guyana. Holotype: FMNH 52967 [ex CM 1053]. Paratypes: (8, CM and IU) BMNH 1911.10.31.335 (1); CAS 44230-31 [ex IU 11744-45] (1, 1 not 2); FMNH 52968-69 (1, 1); MCZ 29954 (1). Type catalog: Henn 1928:64 [ref. 12305], Ibarra & Stewart 1987:31 [ref. 12367]. Originally as potaroënsis. •Incertae sedis in Characidae -- (Lucena & Lucena 2002:119 [ref. 26205], [various authors] in Reis et al. 2003:104 [ref. 27061]). •Valid as Deuterodon potaroensis Eigenmann 1909 -- (Taphorn et al. 2022:14 [ref. 41297] tentative in Deuterodon). Current status: Uncertain as Deuterodon potaroensis Eigenmann 1909. Acestrorhamphidae: Stygichthyinae. Distribution: South America: Potaro River basin (Guyana) endemic. Habitat: freshwater.

ribeirae, Astyanax Eigenmann [C. H.] 1911:177, Pl. 8 (fig. 2) [Annals of the Carnegie Museum v. 8 (no. 1) (art. 3); ref. 1226] Xiririca, Brazil. Holotype: FMNH 54725 [ex CM 3368]. Paratypes: (106, CM) CAS 39462 [ex IU 13307] (2); FMNH 14959-63 (5), 54726-29 (47, 27, 9, 11). Type catalog: Henn 1928:61 [ref. 12305], Ibarra & Stewart 1987:13 [ref. 12367]. •Valid as Astyanax ribeirae Eigenmann 1911 -- (Azpelicueta et al. 2002:1053 [ref. 26511], Almirón et al. 2002:8 [ref. 26720], Buckup in Reis et al. 2003:112 [ref. 27061], Casciotta et al. 2003:333 [ref. 27401], Azpelicueta et al. 2003:11 [ref. 27696], Garavello & Sampaio 2010:861 [ref. 31053], da Graça et al. 2017:13 [ref. 35556], Oliveira et al. 2017:180 [ref. 35587]). •Valid as Deuterodon ribeirae (Eigenmann 1911) -- (Reis et al. 2020:459 [ref. 38364], Terán et al. 2020:7 [ref. 37440]). Current status: Valid as Deuterodon ribeirae (Eigenmann 1911). Acestrorhamphidae: Stygichthyinae. Distribution: South America: Ribeira de Iguape basin (São Paulo State, Brazil). Habitat: freshwater.

rosae, Joinvillea Steindachner [F.] 1908:30 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 45 (no. 5); ref. 4243] Rio Jaraguá at Joinville, Santa Catharina [Santa Catarina State], Brazil. Lectotype: NMW 69596 (105 mm). Paralectotypes: (several) NMW 69593-95 (2, 1, 1) 69594 (?3 of 4), 83366-69 (3, 2, 5, 1); ZMA 114488 (1). Type catalog: Nijssen et al. 1982:21 [ref. 19236]. Lectotype selected by Lucena & Lucena 1992:138 [ref. 21970]. •Valid as Deuterodon rosae (Steindachner 1908) -- (Lucena & Lucena 1992:138 [ref. 21970], Lucena & Lucena 2002:129 [ref. 26205], Lucena et al. in Reis et al. 2003:127 [ref. 27061]). Current status: Valid as Deuterodon rosae (Steindachner 1908). Acestrorhamphidae: Stygichthyinae. Distribution: Itapocú River basin, Brazil. Habitat: freshwater.

sazimai, Probolodus Santos [O.] & Castro [R. M. C.] 2014:412, Figs. 7-9 [Neotropical Ichthyology v. 12 (no. 2); ref. 33386] Minas Gerais, município de Ipatinga, rio Taquaruçu, tributary of rio Doce basin, 19°27’S, 42°28’59"W, Brazil. Holotype: MCP 47870. Paratypes: LBP 3433 (1); MNC 13813 (4); MNRJ 17120 (1); MZUSP 27577 (1), 41725 (3), 79668 (1). •Valid as Probolodus sazimai Santos & Castro 2014. •Valid as Deuterodon sazimai (Santos & Castro 2014) -- (Terán et al. 2020:7 [ref. 37440], Vieira-Guimarães et al. 2024:38 [ref. 41258]). Current status: Valid as Deuterodon sazimai (Santos & Castro 2014). Acestrorhamphidae: Stygichthyinae. Distribution: South America: Rio Itapemiri and rio Doce basins (Brazil). Habitat: freshwater.

singularis, Deuterodon Lucena [Z. M. S. de] & Lucena [C. A. S. de] 1992:141, Fig. 11 [Communicações do Museu de Ciências da PUCRS v. 5 (nos 1-12); ref. 21970] Rio Sanga de Areia, Gravatal, about 28°33'S, 49°06'W, Santa Catarina, Brazil. Holotype: MCP 14753. Paratypes: MCP 11004 (4), 11019 (3), 11026 (43), 11084 (85); MZUSP 43766 (2). Type catalog: Oyakawa 1996:465 [ref. 23140]. •Valid as Deuterodon singularis Lucena & Lucena 1992 -- (Lucena & Lucena 2002:129 [ref. 26205], Lucena et al. in Reis et al. 2003:127 [ref. 27061]). Current status: Valid as Deuterodon singularis Lucena & Lucena 1992. Acestrorhamphidae: Stygichthyinae. Distribution: Tubarão River basin and coastal drainages between its mouth and Da Madre River, Brazil. Habitat: freshwater.

stigmaturus, Distoechus Gomes [A. L.] 1947:13, Fig. 2; Pl. 1 (fig. 2) [Miscellaneous Publications, Museum of Zoology, University of Michigan No. 67; ref. 1830] Backwater of Rio Maquiné, Conceiçao do Arroio County, Rio Grande do Sul, Brazil. Holotype: UMMZ 143273. Paratypes: CAS-SU 40187 (1), UMMZ 143274 (orig. 7, now 6), USNM 143846 [ex UMMZ 143274] (1). Type catalog: Böhlke 1953:24 [ref. 12291], Vari & Howe 1991:20 [ref. 19022]. •Valid as Deuterodon stigmaturus (Gomes 1947) -- (Lucena & Lucena 1992:145 [ref. 21970], Lucena & Lucena 2002:129 [ref. 26205], Lucena et al. in Reis et al. 2003:127 [ref. 27061], Bertaco et al. 2016:413 [ref. 34561]). Current status: Valid as Deuterodon stigmaturus (Gomes 1947). Acestrorhamphidae: Stygichthyinae. Distribution: Brazil. Habitat: freshwater.

supparis, Deuterodon Lucena [Z. M. S. de] & Lucena [C. A. S. de] 1992:148, Fig. [Communicações do Museu de Ciências da PUCRS v. 5 (nos 1-12); ref. 21970] Tributary to Rio Itajaí-Açu, near Ibirama, about 27°04'S, 49°33'W, Santa Catarina, Brazil. Holotype: MCP 14752. Paratypes: MCP 10632 (43), 11651 (1); MZUSP 43767 (2); plus additional material. Type catalog: Oyakawa 1996:465 [ref. 23140]. •Valid as Deuterodon supparis Lucena & Lucena 1992 -- (Lucena & Lucena 2002:129 [ref. 26205], Lucena et al. in Reis et al. 2003:127 [ref. 27061]). Current status: Valid as Deuterodon supparis Lucena & Lucena 1992. Acestrorhamphidae: Stygichthyinae. Distribution: Itajaí-Açu River basin in Santa Catarina State, Brazil. Habitat: freshwater.

taeniatus, Tetragonopterus Jenyns [L.] 1842:126 [The zoology of the voyage of H. M. S. Beagle; ref. 2344] Socego [Sossego] farm, Rio de Janeiro State, Brazil [presently Conceição de Macabú municipality, Córrego das Aduelas, rio Macaé basin, approximately 22°11'53"S, 41°50'24"W]. Lectotype: UMZC F.6975. Paralectotype: UMZC [V.329 Darwin no. 182]. Lectotype selected by Silva et al. 2019:114 [ref. 36458]. •Valid as Astyanax taeniatus (Jenyns 1842) -- (Azpelicueta & Garcia 2000:252 [ref. 25142], de Melo 2001:33 [ref. 27458], Buckup in Reis et al. 2003:112 [ref. 27061], Triques et al. 2003:149 [ref. 27248], López et al. 2003:24 [ref. 27366], Menni 2004:77 [ref. 28131], Vari & Castro 2007:159 [ref. 29039], Zanata & Camelier 2009:175 [ref. 30252], Litz & Koerber 2014:14 [ref. 33622], Mirande & Koerber 2015:5 [ref. 33698] not Argentina, Petry et al. 2016:301 [ref. 34966] as aff. taeniatus, Nión et al. 2016:29 [ref. 35565], Zanata et al. 2017:508 [ref. 35145], Zanata et al. 2018:486 [ref. 35984], Silva et al. 2019:114 [ref. 36458]). •Valid as Deuterodon taeniatus (Jenyns 1842) -- (Koerber et al. 2020:3 [ref. 37480], Terán et al. 2020:7 [ref. 37440], Koerber et al. 2021:3 [ref. 38894], Koerber et al. 2023:3 [ref. 40355], Quintela et al. 2023:6 [ref. 40727], Vieira-Guimarães et al. 2024:38 [ref. 41258]). Current status: Valid as Deuterodon taeniatus (Jenyns 1842). Acestrorhamphidae: Stygichthyinae. Distribution: South America: Paraíba do Sul, São João and Macaé River basins, Rio de Janeiro State (Brazil); Uruguay. Habitat: freshwater.