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 Leuciscidae: [ 226 ] records

Abramidopsis Siebold [C. T. E. von] 1863:133, 387 Fem. Abramis leuckartii Heckel 1836. Type by monotypy. Thought to be based on a hybrid of Abramis and Rutilus -- (Jordan 1919:328 [ref. 4904]). •Invalid, based on an intergeneric hybrid. Leuciscidae: Leuciscinae.

Abramis Cuvier [G.] 1816:194 Fem. Cyprinus brama Linnaeus 1758. Type by subsequent designation. Earliest subsequent designation not located. •Valid as Abramis Cuvier 1816 -- (Howes 1981:46 [ref. 14200], Bogutskaya 1987:936 [ref. 13521], Bogutskaya 1997:162 [ref. 23566], Bogutskaya 1998:54 [ref. 23589], Luo in Chen et al. 1998:95 [ref. 23878], Hänfling & Brandl 2000:267 [ref. 25144], Sideleva 2001:52 [ref. 26181], Sideleva 2003:10 [ref. 27815], Bogutskaya & Naseka 2004:74 [ref. 28183], Kottelat & Freyhof 2007:151 [ref. 29996], Perea et al. 2010:4, 15 [ref. 31802], Bartulović et al. 2011:165 [ref. 31635], Parin et al. 2014:63 [ref. 33547], Jouladeh-Roudbar et al. 2015:860 [ref. 34062], Zhang et al. 2016:210 [ref. 34477], Esmaeili et al. 2017:31 [ref. 35254], Esmaeili et al. 2018:11 [ref. 36089]). Current status: Valid as Abramis Cuvier 1816. Leuciscidae: Leuciscinae.

Acahara Jordan [D. S.] & Hubbs [C. L.] 1925:177 Fem. Leuciscus semotilus Jordan & Starks 1905. Type by original designation. Jordan & Hubbs refer to an earlier "List of Fresh-water Fishes of Korea" by Mori (Howes 1985:67 dates to 1930) in which this name was first used [not located]. •Questionably a synonym of Phoxinus Rafinesque 1820 -- (Howes 1985:66 [ref. 5274]). •Synonym of Rhynchocypris Günther 1889 -- (Denys et al. 2020:211 [ref. 37846]). Current status: Synonym of Rhynchocypris Günther 1889. Leuciscidae: Phoxininae.

Acanthalburnus Berg [L. S.] 1916:299 Masc. Alburnus punctulatus Kessler 1877. Type by monotypy. •Valid as Acanthalburnus Berg 1916 -- (Bogutskaya 1987:936 [ref. 13521], Bogutskaya 1997:162 [ref. 23566]). •Synonym of Acanthobrama Heckel 1843 -- (Perea et al. 2010:16 [ref. 31802], Küçük et al. 2014:96 [ref. 33414]). Current status: Synonym of Acanthobrama Heckel 1843. Leuciscidae: Leuciscinae.

Acanthobrama Heckel [J. J.] 1843:1033 Fem. Acanthobrama marmid Heckel 1843. Type by subsequent designation. Type designated by Bleeker 1863:31 [ref. 4859] and 1863:210 [ref. 397]. The spelling Trachibrama (p. 1033) is a lapsus (see Krupp & Schneider 1989:354 [ref. 13651]). •Synonym of Rutilus Rafinesque 1820 -- (Howes 1981:45 [ref. 14200]). •Valid as Acanthobrama Heckel 1843 -- (Yang 1964:132 [ref. 13500], Goren et al. 1973 [ref. 1853], Coad 1984 [ref. 5347], Li 1986 [ref. 6154], Krupp & Schneider 1989:354 [ref. 13651], Bănărescu 1997:19 [ref. 23274], Bogutskaya 1997:162 [ref. 23566], Coad 2010:89 [ref. 36620], Perea et al. 2010:4, 15 [ref. 31802], Küçük et al. 2014:96 [ref. 33414], Freyhof & Özulug 2014:1 [ref. 33504], Jouladeh-Roudbar et al. 2015:860 [ref. 34062], Esmaeili et al. 2017:31 [ref. 35254], Çiçek et al. 2018:7 [ref. 36267], Esmaeili et al. 2018:11 [ref. 36089]). Current status: Valid as Acanthobrama Heckel 1843. Leuciscidae: Leuciscinae.

Acanthorutilus Berg [L. S.] 1912:42, 81 Masc. Oreoleuciscus dsapchynensis Warpachowski 1889. Type by original designation (also monotypic). •Synonym of Oreoleuciscus Warpuchowski 1889 -- (Bănărescu 1997:19 [ref. 23274], Bogutskaya 2001:10 [ref. 26833], Kottelat 2006:41 [ref. 28831]). Current status: Synonym of Oreoleuciscus Warpachowski 1889. Leuciscidae: Pseudaspininae.

Achondrostoma Robalo [J. I.], Almada [V. C.], Levy [A.] & Doadrio [I.] 2007:370 Neut. Leuciscus (Leucos) arcasii Steindachner 1866. Type by original designation. •Valid as Achondrostoma Robalo, Almada, Levy & Doadrio 2007 -- (Doadrio & Elvira 2007:296 [ref. 29510], Kottelat & Freyhof 2007:154, 156 [ref. 29996], Perea et al. 2010:4, 14 [ref. 31802], Turan et al. 2021:3 [ref. 38620], Doadrio et al. 2023:1 [ref. 40184]). Current status: Valid as Achondrostoma Robalo, Almada, Levy & Doadrio 2007. Leuciscidae: Leuciscinae.

Acrocheilus Agassiz [L.] 1855:96 Masc. Acrocheilus alutaceus Agassiz & Pickering 1855. Type by original designation (also monotypic). •Valid as Acrocheilus Agassiz 1855 -- (Simons & Mayden 1997:187 [ref. 24948], Gilbert 1998:15 [ref. 23395], Simons & Mayden 1998:313 [ref. 25587]). •Synonym of Gila Baird & Girard 1853 -- (Schönhuth et al. 2014:220 [ref. 38034]). Current status: Synonym of Gila Baird & Girard 1853. Leuciscidae: Laviniinae.

Agosia Girard [C. F.] 1856:186 Fem. Agosia chrysogaster Girard 1856. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:91 [ref. 4907]. •Synonym of Rhinichthys Agassiz 1849 -- (Gilbert 1998:15 [ref. 23395]). •Valid as Agosia Girard 1856 -- (Nelson et al. 2004:68 [ref. 27807], Minckley & Marsh 2009:110 [ref. 31114]). Current status: Valid as Agosia Girard 1856. Leuciscidae: Pogonichthyinae.

Alburnellus Girard [C. F.] 1856:193 Masc. Alburnus dilectus Girard 1856. Type by subsequent designation. Genus name proposed conditionally, but available (conditional proposal before 1961). Type designated by Jordan & Gilbert 1877:91 [ref. 4907]. •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:15 [ref. 7042], Gilbert 1998:15 [ref. 23395]). Current status: Synonym of Notropis Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Alburnoides Jeitteles [L. H.] 1861:325 Masc. Alburnus maculatus Kessler 1859. Type by monotypy. •Valid as Alburnoides Jeitteles 1861 -- (Bogutskaya 1987:936 [ref. 13521], Bănărescu 1997:19 [ref. 23274], Bogutskaya 1997:163 [ref. 23566], Bogutskaya 1998:56 [ref. 23589], Hänfling & Brandl 2000:267 [ref. 25144], Bogutskaya & Naseka 2004:77 [ref. 28183], Kottelat & Freyhof 2007:151, 158 [ref. 29996], Coad & Bogutskaya 2009:68 [ref. 30264], Bogutskaya & Coad 2009:126 [ref. 30270], Coad 2010:92 [ref. 36620], Coad & Bogutskaya 2012:43 [ref. 32156], Turan et al. 2013:85 [ref. 32523], Turan et al. 2014:101 [ref. 33119], Parin et al. 2014:66 [ref. 33547], Mousavi-Sabet et al. 2015:144 [ref. 33904], Jouladeh-Roudbar et al. 2015:861 [ref. 34062], Mousavi-Sabet et al. 2015:293 [ref. 34153], Turan et al. 2016:79 [ref. 34162], Jouladeh-Roudbar et al. 2016:157 [ref. 34375], Turan et al. 2017:565 [ref. 35182], Esmaeili et al. 2017:32 [ref. 35254], Barbieri et al. 2017:1075 [ref. 35663], Matveyev et al. 2017:360 [ref. 35690], Çiçek et al. 2018:7 [ref. 36267], Esmaeili et al. 2018:12 [ref. 36089], Bektaş et al. 2019:[9] [ref. 36964], Turan et al. 2019:[1] [ref. 37022], Kaya 2020:419 [ref. 37444]). Current status: Valid as Alburnoides Jeitteles 1861. Leuciscidae: Leuciscinae.

Alburnops Girard [C. F.] 1856:194 Masc. Alburnops blennius Girard 1856. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:91 [ref. 4907]. •Synonym of Notropis Rafinesque 1818, but a valid subgenus Alburnops -- (Gilbert 1978:15 [ref. 7042], Mayden 1989:41 [ref. 12555]). •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1998:15 [ref. 23395]). •Valid as Alburnops Girard 1856 -- (Mayden et al. 2007:83 [ref. 36566], Stout et al. 2022:9 [ref. 39738]). Current status: Valid as Alburnops Girard 1856. Leuciscidae: Pogonichthyinae.

Alburnus Rafinesque [C. S.] 1820:236 Masc. Cyprinus alburnus Linnaeus 1758. Type by absolute tautonymy. Genus proposed for European species, but no species mentioned; first addition of species not researched. Also appeared in Rafinesque 1820:46 (Dec.) [ref. 3592]. •Valid as Alburnus Rafinesque 1820 -- (Bogutskaya 1987:936 [ref. 13521], Bogutskaya 1997:163 [ref. 23566], Bogutskaya 1998:56 [ref. 23589], Bogutskaya et al. 2000:62 [ref. 24445], Hänfling & Brandl 2000:267 [ref. 25144], Bogutskaya & Naseka 2004:78 [ref. 28183], Freyhof & Kottelat 2007:205 [ref. 29339], Freyhof & Kottelat 2007: 213 [ref. 29340], Özuluğ & Freyhof 2007:233 [ref. 29341], Kottelat & Freyhof 2007:151, 161 [ref. 29996], Özuluğ & Freyhof 2008:307 [ref. 29389], Coad 2009:63 [ref. 30710], Buj et al. 2010:129 [ref. 30888], Coad 2010:95 [ref. 36620], Perea et al. 2010:3, 14 [ref. 31802], Parin et al. 2014:67 [ref. 33547], Mousavi-Sabet et al. 2015:40 [ref. 33691], Elp et al. 2015:181 [ref. 33762], Jouladeh-Roudbar et al. 2015:862 [ref. 34062], Birecikligil et al. 2016:465 [ref. 34308], Esmaeili et al. 2017:34 [ref. 35254], Birecikligil et al. 2017:129 [ref. 35361], Bogutskaya et al. 2017:81 [ref. 35513], Mohammadian-Kalat et al. 2017:487 [ref. 35603], Mangit & Yerli 2017:1 [ref. 35640], Matveyev et al. 2017:360 [ref. 35690], Çiçek et al. 2018:8 [ref. 36267], Esmaeili et al. 2018:14 [ref. 36089], Freyhof et al. 2018:573 [ref. 35814], Freyhof et al. 2018:113 [ref. 35889], Özuluğ et al. 2018:29 [ref. 35953], Freyhof et al. 2019:594 [ref. 36482], Freyhof & Turan 2019:373 [ref. 36535]). Current status: Valid as Alburnus Rafinesque 1820. Leuciscidae: Leuciscinae.

Algansea Girard [C. F.] 1856:182 Fem. Leuciscus tincella Valenciennes 1844. Type by subsequent designation. Type apparently first designated by Bleeker 1863:207 [ref. 397] and 1863:30 [ref. 4859]. •Valid as Algansea Girard 1856 -- (Barbour & Miller 1978 [ref. 7033], Barbour & Miller 1994 [ref. 21563], Gilbert 1998:15 [ref. 23395], Domínguez-Domínguez et al. 2007:260 [ref. 29756], Schönhuth et al. 2008:741 [ref. 29831], Pérez-Rodríguez et al. 2009:484 [ref. 30469]). Current status: Valid as Algansea Girard 1856. Leuciscidae: Pogonichthyinae.

Algoma Girard [C. F.] 1856:180 Fem. Algoma amara Girard 1856. Type by subsequent designation. Type designated by Bleeker 1863:29 [ref. 4859] and 1863:206 [ref. 397]. •Synonym of Hybognathus Agassiz 1855 -- (Gilbert 1998:15 [ref. 23395]). Current status: Synonym of Hybognathus Agassiz 1855. Leuciscidae: Pogonichthyinae.

Anaecypris Collares-Pereira [M. J.] 1983:2 Fem. Phoxinus hispanicus Steindachner 1866. Type by original designation (also monotypic). •Valid as Anaecypris Collares-Pereira 1983 -- (Bogutskaya & Collares-Pereira 1997:243 [ref. 22763], Kottelat & Freyhof 2007:150 [ref. 29996], Perea et al. 2010:3, 14 [ref. 31802]). Current status: Valid as Anaecypris Collares-Pereira 1983. Leuciscidae: Leuciscinae.

Apocope Cope [E. D.] 1872:472 Fem. Apocope carringtonii Cope 1872. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:94 [ref. 4907]. •Synonym of Rhinichthys Agassiz 1849 -- (Gilbert 1998:15 [ref. 23395]). Current status: Synonym of Rhinichthys Agassiz 1849. Leuciscidae: Pogonichthyinae.

Argyreus Heckel [J. J.] 1843:1040 Masc. Cyprinus atronasus Mitchill 1815. Type by subsequent designation. Type designated by Girard 1856:167 [ref. 1810], also by Bleeker 1863:31 [ref. 4859] and 1863:209 [ref. 397]. Objectively invalid; preoccupied by Argyreus Scopoli 1777 in Lepidoptera, not replaced. •Synonym of Rhinichthys Agassiz 1849 -- (Gilbert 1998:15 [ref. 23395]). 1°Homonym. Current status: Synonym of Rhinichthys Agassiz 1849. Leuciscidae: Pogonichthyinae.

Aspiolucius Berg [L. S.] 1907:326, 327 Masc. Aspius esocinus Kessler 1874. Type by monotypy. •Valid as Aspiolucius Berg 1907 -- (Bogutskaya 1987:936 [ref. 13521]). •Synonym of Leuciscus Cuvier 1816. Current status: Valid as Aspiolucius Berg 1907. Leuciscidae: Leuciscinae.

Aspiopsis Zugmayer [E.] 1912:682 Fem. Aspiopsis merzbacheri Zugmayer 1912. Type by monotypy. •Synonym of Leuciscus Cuvier 1816 -- (Luo in Chen et al. 1998:63 [ref. 23878]). Current status: Synonym of Leuciscus Cuvier 1816. Leuciscidae: Leuciscinae.

Aspius Agassiz [L.] 1832:132, 134 Masc. Cyprinus aspius Linnaeus 1758. Type by absolute tautonymy. Appears to date to Agassiz 1832 as above with species as (p. 132), "...und Aspius [as a species], Alburnus, bipunctatus, etc. als Genus Aspius Ag..." and (p. 134) "...Aus dem Genus Aspius: eine Art A. gracilis Ag., mit bipunctatus verwandt." Also in Agassiz 1835:38 [ref. 22]. •Valid as Aspius Agassiz 1832 -- (Yang & Hwang 1964:19 [ref. 13497], Bogutskaya 1987:936 [ref. 13521], Bogutskaya 1998:58 [ref. 23589], Luo in Chen et al. 1998:90 [ref. 23878], Hänfling & Brandl 2000:267 [ref. 25144], Bogutskaya & Naseka 2004:82 [ref. 28183], Kottelat & Freyhof 2007:151 [ref. 29996], Coad 2010:99 [ref. 36620], Parin et al. 2014:69 [ref. 33547], Parin et al. 2014:69 [ref. 33547], Zhang et al. 2016:52 [ref. 34477]). •Synonym of Leuciscus Cuvier 1816 -- (Perea et al. 2010:15 [ref. 31802] based on placement of the type species, Jouladeh-Roudbar et al. 2015:874 [ref. 34062]). Current status: Synonym of Leuciscus Cuvier 1816. Leuciscidae: Leuciscinae.

Aturius Dubalen [P. E.] 1878:157 [3] Masc. Aturius dufourii Dubalen 1878. Type by monotypy. •Synonym of Leuciscus Cuvier 1816. Current status: Synonym of Leuciscus Cuvier 1816. Leuciscidae: Leuciscinae.

Azteca (subgenus of Notropis) Jordan [D. S.] & Evermann [B. W.] 1896:254, 258 Fem. Codoma vittata Girard 1856 (= Notropis aztecus Woolman 1894). Type by original designation (also monotypic). Objectively invalid; preoccupied by Azteca Forel 1878 in Hymenoptera, replaced by Aztecula Jordan & Evermann 1898. •Synonym of Notropis Rafinesque 1818, subgenus Aztecula Jordan & Evermann 1898 -- (Gilbert 1978:16 [ref. 7042]). •Synonym of Aztecula Jordan & Evermann 1898 -- (Gilbert 1998:15 [ref. 23395]). •Synonym of Notropis Rafinesque 1818. 1°Homonym. Current status: Synonym of Notropis Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Aztecula Jordan [D. S.] & Evermann [B. W.] 1898:2799 Fem. Notropis vittata Girard 1856 (= Notropis aztecus Woolman 1894). Type by being a replacement name. Replacement for Azteca Jordan & Evermann 1896, preoccupied by Azteca Forel 1878 in Hymenoptera. •Synonym of Notropis Rafinesque 1818, but a valid subgenus Aztecula -- (Gilbert 1978:16 [ref. 7042]). •Valid as Aztecula Jordan & Evermann 1898 -- (Gilbert 1998:15 [ref. 23395], Mayden et al. 2007:83 [ref. 36566], García-Andrade et al. 2021:[11] [ref. 38810], Stout et al. 2022:9 [ref. 39738]). Current status: Valid as Aztecula Jordan & Evermann 1898. Leuciscidae: Pogonichthyinae.

Ballerus Heckel [J. J.] 1843:1033 Masc. Cyprinus ballerus Linnaeus 1758. Type by monotypy (also by absolute tautonymy). •Synonym of Abramis Cuvier 1816 -- (Howes 1981:46 [ref. 14200], Parin et al. 2014:63 [ref. 33547]). •Valid as Ballerus Heckel 1843 -- (Bogutskaya & Naseka 2004:75 [ref. 28183], Kottelat & Freyhof 2007:151, 179 [ref. 29996], Perea et al. 2010:4 [ref. 31802], Jouladeh-Roudbar et al. 2015:865 [ref. 34062], Esmaeili et al. 2017:36 [ref. 35254], Esmaeili et al. 2018:16 [ref. 36089]). Current status: Valid as Ballerus Heckel 1843. Leuciscidae: Leuciscinae.

Bathystoma Fitzinger [L. J. F. J.] 1873:152, 168 Neut. Squalius microlepis Heckel 1843. Type by subsequent designation. Type apparently first designated by Jordan 1919:369 [ref. 4904]. Objectively invalid; preoccupied by Bathystoma Scudder in Putnam 1863 in fishes; apparently not replaced. •Synonym of Leuciscus Cuvier 1816 -- (Bănărescu 1997:20 [ref. 23274]). 1°Homonym. Current status: Synonym of Leuciscus Cuvier 1816. Leuciscidae: Leuciscinae.

Blicca Heckel [J. J.] 1843:1032 Fem. Cyprinus blicca Bloch 1782. Type by monotypy (also by absolute tautonymy). •Synonym of Abramis Cuvier 1816 -- (Howes 1981:46 [ref. 14200], Hänfling & Brandl 2000:272 [ref. 25144], Parin et al. 2014:63 [ref. 33547]). •Valid as Blicca Heckel 1843 -- (Bogutskaya 1987:936 [ref. 13521], Bogutskaya 1998:58 [ref. 23589], Bogutskaya & Naseka 2004:76 [ref. 28183], Kottelat & Freyhof 2007:151 [ref. 29996], Perea et al. 2010:4 [ref. 31802], Jouladeh-Roudbar et al. 2015:867 [ref. 34062], Esmaeili et al. 2017:38 [ref. 35254], Esmaeili et al. 2018:17 [ref. 36089]). Current status: Valid as Blicca Heckel 1843. Leuciscidae: Leuciscinae.

Bliccopsis Heckel [J. J.] 1843:1032 Fem. Cyprinus buggenhagii Bloch 1784. Type by monotypy. Based on a hybrid Abramis brama x Rutilus rutilus. •Invalid, based on an intergeneric hybrid -- (Bănărescu 1997:20 [ref. 23274]). Leuciscidae: Leuciscinae.

Brama Bleeker [P.] (ex Klein) 1863:211 Fem. Cyprinus brama Linnaeus 1758. Type by monotypy, as Abramis brama Cuvier. On p. 25 of separate. Based on Brama Klein (unavailable). Objectively invalid; preoccupied by Brama Bloch & Schneider 1801 in fishes. Also in Bleeker 1863 [ref. 12572]. •In the synonymy of and objective synonym of Abramis Cuvier 1816. 1°Homonym. Current status: Synonym of Abramis Cuvier 1816. Leuciscidae: Leuciscinae.

Brama Klein [J. T.] 1775:61, 93 Fem. Not available, published in a work that does not conform to the principle of binominal nomenclature. •In the synonymy of Abramis Cuvier 1816. Suppressed. Current status: Synonym of Abramis Cuvier 1816. Leuciscidae: Leuciscinae.

Brama Walbaum [J. J.] (ex Klein) 1792:586 Fem. Not available, published in a part of work rejected for nomenclatural purposes in Opinion 21 (1938). Based on Klein 1749:61 [ref. 30141]. •In the synonymy of Abramis Cuvier 1816. Suppressed. Current status: Synonym of Abramis Cuvier 1816. Leuciscidae: Leuciscinae.

Campostoma Agassiz [L.] 1855:218 Neut. Rutilus anomaleus Rafinesque 1820. Type by original designation (p. 219). •Valid as Campostoma Agassiz 1855 -- (Burr 1976 [ref. 7118], Jenkins & Burkhead 1994:299 [ref. 21581], Simons & Mayden 1997:187 [ref. 24948], Gilbert 1998:15 [ref. 23395], Simons & Mayden 1999:16 [ref. 23700], Blum et al. 2008:360 [ref. 29631], Cashner et al. 2010:300 [ref. 30834], Minckley & Marsh 2009:114 [ref. 31114], Minckley & Marsh 2009:175 [ref. 31114]). Current status: Valid as Campostoma Agassiz 1855. Leuciscidae: Pogonichthyinae.

Capoetobrama Berg [L. S.] 1916:316 Fem. Acanthobrama kuschakewitschi Kessler 1872. Type by original designation. •Valid as Capoetobrama Berg 1916 -- (Bogutskaya 1987:936 [ref. 13521]). Current status: Valid as Capoetobrama Berg 1916. Leuciscidae: Leuciscinae.

Cenisophius (subgenus of Leucos) Bonaparte [C. L.] 1846:29 Masc. Leucos cenisophius Bonaparte 1845. Type by absolute tautonymy. Bonaparte includes "Leucos cenisophius, Bp. (Rosse, Gall.)" and if that species name is available it is the type; type given as Leucos pauperum by Jordan and by Fowler. •Synonym of Rutilus Rafinesque 1820 -- (Howes 1981:45 [ref. 14200]). Current status: Synonym of Rutilus Rafinesque 1820. Leuciscidae: Leuciscinae.

Cephalopsis Fitzinger [L. J. F. J.] 1873:152, 165 Fem. Squalius svallize Heckel & Kner 1857. Type by subsequent designation. Type designated by Jordan 1919:369 [ref. 4904]. Not preoccupied by Cephalopsis Rafinesque 1815 (name only) in fishes. •Synonym of Leuciscus Cuvier 1816 -- (Bănărescu 1997:21 [ref. 23274]). •Synonym of Squalius Bonaparte 1837. Current status: Synonym of Squalius Bonaparte 1837. Leuciscidae: Leuciscinae.

Cephalus (subgenus of Gardonus) Bonaparte [C. L.] 1846:30 Masc. Cyprinus cephalus Linnaeus 1758. Type by absolute tautonymy. Not preoccupied by Cephaus Plumier in Lacepède 1800 (unavailable), but preoccupied by Cephalus Shaw 1804 in fishes; objectively invalid. •Synonym of Squalius Bonaparte 1837. 1°Homonym. Current status: Synonym of Squalius Bonaparte 1837. Leuciscidae: Leuciscinae.

Ceratichthys Baird [S. F.] in Girard 1856:212 Semotilus biguttatus Kirtland 1840. Type designated by action of the ICZN. See Ceraticthys Baird & Girard. •Synonym of Nocomis Girard 1856 -- (Gilbert 1998:15 [ref. 23395]). Current status: Synonym of Nocomis Girard 1856. Leuciscidae: Pogonichthyinae.

Ceraticthys Baird [S. F.] & Girard [C. F.] 1853:391 Masc. Ceraticthys vigilax Baird & Girard 1853. Type by monotypy. Spelling changed to Ceratichthys Baird in Girard 1856:213 [ref. 1810], but ICZN Opinion 22 regarded Ceratichthys Baird in Girard 1856 as a separate genus, with type as C. biguttatus. Hubbs & Black 1947:18 [ref. 10851] regard Ceraticthys as a misspelling. •Synonym of Pimephales Rafinesque 1820 -- (Gilbert 1998:15 [ref. 23395]). Current status: Synonym of Pimephales Rafinesque 1820. Leuciscidae: Pogonichthyinae.

Chalcalburnus Berg [L. S.] 1933:709 Masc. Cyprinus chalcoides Güldenstädt 1772. Type by original designation. •Synonym of Alburnus Rafinesque 1820 -- (Bogutskaya 1997:164 [ref. 23566]). •Valid as Chalcalburnus Berg 1933 -- (Economidis 1986 [ref. 5163], Bogutskaya 1987:936 [ref. 13521], Bogutskaya 1998:54 [ref. 23589]). •Synonym of Alburnus Rafinesque 1820 -- (Freyhof & Kottelat 2007:207 [ref. 29339], Freyhof & Kottelat 2007:213 [ref. 29340], Özuluğ & Freyhof 2007:233 [ref. 29341], Özuluğ & Freyhof 2008:307 [ref. 29389], Parin et al. 2014:67 [ref. 33547]). Current status: Synonym of Alburnus Rafinesque 1820. Leuciscidae: Leuciscinae.

Cheilonemus Storer [D. H.] (ex Baird) 1855:285 Masc. Leuciscus pulchellus Storer 1839. Type by monotypy. Perhaps not intended as new; published as "Genus IV. Cheilonemus, Baird, MS." Authorship sometimes given as Baird in Storer, but description is apparently by Storer, so authorship should be Storer; but see Chilonemus Baird 1851. •Synonym of Semotilus Rafinesque 1820. Current status: Synonym of Semotilus Rafinesque 1820. Leuciscidae: Plagopterinae.

Cheonda Girard [C. F.] 1856:207 Fem. Cheonda cooperi Girard 1856. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:92 [ref. 4907]. Miller 1945:104 [ref. 3016] believes that C. cooperi is an intergeneric hybrid between Mylocheilus and Richardsonius, Gilbert 1998:15 [ref. 23395] concurs. Current status: Unknown. Leuciscidae: Pogonichthyinae.

Chilonemus Baird [S. F.] 1851:215 Masc. Chilonemus cataractus Baird 1851. Type by monotypy. Description brief but apparently genus and species are available, with spelling as above. Later spelled Cheilonemus. •Synonym of Semotilus Rafinesque 1820 -- (Gilbert 1998:15 [ref. 23395]). Current status: Synonym of Semotilus Rafinesque 1820. Leuciscidae: Plagopterinae.

Chondrochilus Heckel [J. J.] 1843:1031, 1077 Masc. Chondrochilus nasicus Heckel 1843. Type by subsequent designation. Type apparently first designated by Berg 1914 [not checked], also by Jordan 1919:211 [ref. 2410]. Spelled Chondrochylus and Chondrochilus by Heckel 1843:1031 and Chondrochilus on p. 1077. •Synonym of Chondrostoma Agassiz 1832 -- (Elvira 1987:112 [ref. 6743]). Current status: Synonym of Chondrostoma Agassiz 1832. Leuciscidae: Leuciscinae.

Chondrorhynchus Heckel [J. J.] 1843:1031 Masc. Condrostoma soetta Bonaparte 1840. Type by monotypy. Objectively invalid; preoccupied by Chondrorhynchus Fischer 1814 in mammals, not replaced. •Synonym of Chondrostoma Agassiz 1832 -- (Elvira 1987:112 [ref. 6743]). 1°Homonym. Current status: Synonym of Chondrostoma Agassiz 1832. Leuciscidae: Leuciscinae.

Chondrostoma Agassiz [L.] 1832:132 Neut. Cyprinus nasus Linnaeus 1758. Type by monotypy. Probably can date to Agassiz 1832 as above, with type by monotypy. Spelled Chondrostomus by Heckel 1843:1030 [ref. 2067]. Also in Agassiz 1835:38 [ref. 22] with type designated by Bleeker 1863:197 [ref. 397] or 1863:26 [ref. 4859] if dated to 1835. •Valid as Chondrostoma Agassiz 1832 -- (Howes 1981:47 [ref. 14200], Krupp 1985 [ref. 6394], Elvira 1987 [ref. 6743], Bogutskaya 1987:936 [ref. 13521], Bogutskaya 1988:101 [ref. 12754], Nelva 1988 [ref. 12836], Elvira 1991:147 [ref. 20036], Bogutskaya 1997:151 [ref. 23277], Bogutskaya 1998:60 [ref. 23589], Hänfling & Brandl 2000:267 [ref. 25144], Doadrio & Carmona 2003:29 [ref. 28132], Bogutskaya & Naseka 2004:83 [ref. 28183], Coelho et al. 2005:201 [ref. 28430], Robalo et al. 2005:20 [ref. 28431], Robalo et al. 2007:370 [ref. 28878], Gante et al. 2007:23 [ref. 29300], Kottelat & Freyhof 2007:150, 183 [ref. 29996], Coad 2010:160 [ref. 36620], Gante et al. 2010:965 [ref. 35176], Perea et al. 2010:4, 14 [ref. 31802], Parin et al. 2014:73 [ref. 33547], Jouladeh-Roudbar et al. 2015:869 [ref. 34062], Küçük et al. 2017:795 [ref. 35091], Esmaeili et al. 2017:43 [ref. 35254], Eagderi et al. 2017:125 [ref. 35624], Çiçek et al. 2018:10 [ref. 36267], Esmaeili et al. 2018:24 [ref. 36089], Güçlü et al. 2018:[1] [ref. 36094], Çiftci et al. 2020:210 [ref. 37725], Küçük et al. 2021:235 [ref. 38611], Turan et al. 2021:3 [ref. 38620], Küçük et al. 2023:3 [ref. 39929]). Current status: Valid as Chondrostoma Agassiz 1832. Leuciscidae: Leuciscinae.

Chriope Jordan [D. S.] 1878:787 Fem. Hybopsis bifrenatus Cope 1867. Type by original designation (also monotypic). •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:16 [ref. 7042], Gilbert 1998:15 [ref. 23395]). Current status: Synonym of Notropis Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Chrosomus Rafinesque [C. S.] 1820:237 Masc. Luxilus erythrogaster Rafinesque 1820. Type by monotypy. Also appeared in Rafinesque 1820:47 (Dec.) [ref. 3592]. •Synonym of Phoxinus Rafinesque 1820 -- (Howes 1985:66 [ref. 5274], Gilbert 1998:15 [ref. 23395]). •Valid as Chrosomus Rafinesque 1820 -- (Strange & Mayden 2009:494 [ref. 30381]). Current status: Valid as Chrosomus Rafinesque 1820. Leuciscidae: Laviniinae.

Clarkina Jordan [D. S.] & Evermann [B. W.] 1927:502 Fem. Cyprinus (Leuciscus) caurinus Richardson 1837. Type by original designation (also monotypic). •Synonym of Mylocheilus Agassiz 1855 -- (Gilbert 1998:15 [ref. 23395]). Current status: Synonym of Mylocheilus Agassiz 1855. Leuciscidae: Pogonichthyinae.

Clinostomus Girard [C. F.] 1856:211 Masc. Luxilus elongatus Kirtland 1840. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:92 [ref. 4907]. Gilbert 1998:15 [ref. 23395] incorrectly regards Girard 1858:302 [ref. 4911] as establishing the type species, but Girard's use of "its typical species is" [and then lists 2 nominal species] is probably insufficient. •Valid as Clinostomus Girard 1856 -- (Robins et al. 1980:21 [ref. 7111], Jenkins & Burkhead 1994:290 [ref. 21581], Gilbert 1998:15 [ref. 23395], Simons & Mayden 1999:16 [ref. 23700]). Current status: Valid as Clinostomus Girard 1856. Leuciscidae: Pogonichthyinae.

Cliola Girard [C. F.] 1856:192 Fem. Ceratichthys vigilax Baird & Girard 1853. Type by subsequent designation. Type designated by Bleeker 1863:30 [ref. 4859] and 1863:207 [ref. 397]. •Objective synonym of Ceraticthys Baird & Girard 1853. •Synonym of Pimephales Rafinesque 1820 -- (Gilbert 1998:15 [ref. 23395]). Current status: Synonym of Pimephales Rafinesque 1820. Leuciscidae: Pogonichthyinae.

Coccogenia (subgenus of Notropis) Cockerell [T. D. A.] & Callaway [O.] 1909:190 Fem. Hypsilepis coccogenis Cope 1868. Type by original designation (also monotypic). Genus of type species is correctly Hypsolepis. •Objective synonym of Coccotis Jordan 1882; synonym of Notropis Rafinesque 1818, subgenus Luxilus Rafinesque 1820 -- (Gilbert 1964:111 [ref. 12397], Gilbert 1978:16 [ref. 7042]). •Synonym of Luxilus Rafinesque 1820 -- (Gilbert 1998:15 [ref. 23395]). Current status: Synonym of Luxilus Rafinesque 1820. Leuciscidae: Pogonichthyinae.

Coccotis Jordan [D. S.] 1882:852 Fem. Hypsilepis coccogenis Cope 1868. Type by original designation (also monotypic). Correct genus of type is Hypsolepis. •Synonym of Notropis Rafinesque 1818, subgenus Luxilus Rafinesque 1820 -- (Gilbert 1964:111 [ref. 12397], Gilbert 1978:16 [ref. 7042]). •Synonym of Luxilus Rafinesque 1820 -- (Gilbert 1998:15 [ref. 23395]). •Valid as Coccotis Jordan 1882 -- (Stout et al. 2022:9 [ref. 39738]). Current status: Valid as Coccotis Jordan 1882. Leuciscidae: Pogonichthyinae.

Cochlognathus Baird [S. F.] & Girard [C. F.] 1854:158 Masc. Cochlognathus ornatus Baird & Girard 1854. Type by monotypy. •Synonym of Pimephales Rafinesque 1820 -- (Gilbert 1998:15 [ref. 23395]). Current status: Synonym of Pimephales Rafinesque 1820. Leuciscidae: Pogonichthyinae.

Codoma Girard [C. F.] 1856:194 Neut. Codoma ornata Girard 1856. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:91 [ref. 4907]. •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:15 [ref. 7042]). •Synonym of Cyprinella Girard 1857 -- (Mayden 1989:45 [ref. 12555]). •Valid as Codoma Girard 1856 -- (Gilbert 1998:16 [ref. 23395], Schönhuth et al. 2008:741 [ref. 29831], Minckley & Marsh 2009:116 [ref. 31114], Schönhuth et al. 2014:11 [ref. 35465]). Current status: Valid as Codoma Girard 1856. Leuciscidae: Pogonichthyinae.

Coliscus Cope [E. D.] 1871:437 Masc. Coliscus parietalis Cope 1871. Type by monotypy. •Synonym of Pimephales Rafinesque 1820 -- (Gilbert 1998:16 [ref. 23395]). Current status: Synonym of Pimephales Rafinesque 1820. Leuciscidae: Pogonichthyinae.

Couesius Jordan [D. S.] 1878:784 Masc. Leucosomus dissimilis Girard 1856. Type by original designation. Type stated as Leucosomus dissimilis Girard = Nocomis milneri Jordan; dissimilis regarded as type -- the only species Jordan recognized as valid with the original description of the genus. •Valid as Couesius Jordan 1878 -- (Robins et al. 1980:21 [ref. 7111], Simons & Mayden 1997:187 [ref. 24948], Gilbert 1998:16 [ref. 23395], Simons & Mayden 1998:313 [ref. 25587], Mecklenburg et al. 2002:141 [ref. 25968]). Current status: Valid as Couesius Jordan 1878. Leuciscidae: Plagopterinae.

Cyprinella Girard [C. F.] 1856:196 Fem. Leuciscus bubalinus Baird & Girard 1853. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:91 [ref. 4907]. •Synonym of Notropis Rafinesque 1818 -- (Gibbs 1957 [ref. 12065], Gibbs 1957 [ref. 21244], Gibbs 1963 [ref. 21327], Gilbert 1978:15 [ref. 7042]). •Valid as Cyprinella Girard 1856 -- (Matthews 1987 [ref. 6774], Mayden 1989 [ref. 12555], Jenkins & Burkhead 1994:349 [ref. 21581], Contreras-Balderas & Lozano-Vilano 1994:904 [ref. 22061], Richardson & Gold 1995:28 [ref. 22412], Simons & Mayden 1997:187 [ref. 24948], Gilbert 1998:16 [ref. 23395], Broughton & Gold 2000: 1 [ref. 24304], Mayden et al. 2007:85 [ref. 36566], Schönhuth et al. 2008:741 [ref. 29831], Minckley & Marsh 2009:118, 177 [ref. 31114], Schönhuth & Mayden 2009:78 [ref. 38584]). Current status: Valid as Cyprinella Girard 1856. Leuciscidae: Pogonichthyinae.

Czekanowskiella (subgenus of Phoxinus) Dybowski [B. N.] 1916:102, 109 Fem. Phoxinus czekanowskii Dybowski 1869. •Questionably a synonym of Lagowskiella Dybowski 1916 -- (Howes 1985:63 [ref. 5274]). •Synonym of Phoxinus Rafinesque 1820 -- (Bogutskaya & Naseka 2004:92 [ref. 28183]). •Synonym of Rhynchocypris Günther 1889 -- (Kottelat 2006:47 [ref. 28831], Zhang et al. 2016:54 [ref. 34477], Sakai et al. 2020:[3] [ref. 37278]). Current status: Synonym of Rhynchocypris Günther 1889. Leuciscidae: Pseudaspininae.

Delminichthys Freyhof [J.], Lieckfeldt [D.], Bogutskaya [N. G.], Pitra [C.] & Ludwig [A.] 2006:422 Masc. Leucos adspersus Heckel 1843. Type by original designation. •Valid as Delminichthys Freyhof, Lieckfeldt, Bogutskaya, Pitra & Ludwig 2006 -- (Kottelat & Freyhof 2007:152, 191 [ref. 29996], Perea et al. 2010:4, 16 [ref. 31802], Bogutskaya et al. 2012:54 [ref. 32007], Mustafić et al. 2017:256 [ref. 35274]). Current status: Valid as Delminichthys Freyhof, Lieckfeldt, Bogutskaya, Pitra & Ludwig 2006. Leuciscidae: Leuciscinae.

Dionda Girard [C. F.] 1856:176 Fem. Dionda episcopa Girard 1856. Type by subsequent designation. Type designated by Bleeker 1863:29 [ref. 4859] and 1863:206 [ref. 397]. •Valid as Dionda Girard 1856 -- (Contreras-Balderas & Verduzco-Martínez 1977 [ref. 7058], Hubbs & Miller 1977 [ref. 7060], Gilbert 1998:16 [ref. 23395], Schönhuth et al. 2008:729 [ref. 29831], Schönhuth et al. 2011:427 [ref. 36200]). Current status: Valid as Dionda Girard 1856. Leuciscidae: Pogonichthyinae.

Dobula Rafinesque [C. S.] 1820:236 Fem. Cyprinus dobula Linnaeus 1758. Type usually stated as understood by tautonymy, genus proposed for European species but species name not given; technical addition of species not researched. Also appeared in Rafinesque 1820:46 (Dec.) [ref. 3592]. •Synonym of Leuciscus Cuvier 1816. Current status: Synonym of Leuciscus Cuvier 1816. Leuciscidae: Leuciscinae.

Egirdira Freyhof [J.] 2022:587 Fem. Pararhodeus niger Kosswig & Geldiay 1952. Type by original designation (and monotypic). •Valid as Egirdira Freyhof 2022. Current status: Valid as Egirdira Freyhof 2022. Leuciscidae: Leuciscinae.

Endemichthys Hopkirk [J. D.] 1974:56 Masc. Endemichthys grandipinnis Hopkirk 1974. Type by original designation (also monotypic). Appeared first as nomen nudum in Hopkirk 1968:414 [ref. 2198]. Objectively invalid; preoccupied by Endemichthys Forey & Gardiner 1973 in fossil fishes. •A hybrid of Lavinia exilicauda x Orthodon microlepidotus -- (authors and also Gilbert 1998:16 [ref. 23395]). •Possibly an extinct lake-adapted species of Hesperoleucus Snyder 1913 -- (Hopkirk 1988:185 [ref. 13463]). 1°Homonym. Current status: Synonym of Hesperoleucus Snyder 1913. Leuciscidae: Laviniinae.

Episema Cope [E. D.] & Jordan [D. S.] in Jordan 1877:77 Neut. Photogenis scabriceps Cope 1868. Type by original designation. Objectively invalid; preoccupied by Episema Ochsenheimer 1816 in Lepidoptera, replaced by Paranotropis Fowler 1904. On Official Index (Opinion 494). •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:15 [ref. 7042], Gilbert 1998:16 [ref. 23395]). 1°Homonym. Current status: Synonym of Notropis Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Eremichthys Hubbs [C. L.] & Miller [R. R.] 1948:14 Masc. Eremichthys acros Hubbs & Miller 1948. Type by original designation (also monotypic). •Valid as Eremichthys Hubbs & Miller 1948 -- (Robins et al. 1980:21 [ref. 7111], Gilbert 1998:16 [ref. 23395], Simons & Mayden 1998:313 [ref. 25587]). Current status: Valid as Eremichthys Hubbs & Miller 1948. Leuciscidae: Laviniinae.

Ericymba Cope [E. D.] 1865:88 Fem. Ericymba buccata Cope 1865. Type by monotypy. •Synonym of Hybopsis Agassiz 1854. •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1998:16 [ref. 23395]). •Valid as Ericymba Cope 1865 -- (Page & Burr 2011:295 [ref. 31215], Robins et al. 2018:87 [ref. 35886], Stout et al. 2022:9 [ref. 39738]). Current status: Valid as Ericymba Cope 1865. Leuciscidae: Pogonichthyinae.

Erimonax Jordan [D. S.] 1924:52 Masc. Ceratichthys monachus Cope 1868. Type by original designation (also monotypic). •Synonym of Cyprinella Girard 1856 -- (Gilbert 1998:16 [ref. 23395]). Current status: Synonym of Cyprinella Girard 1856. Leuciscidae: Pogonichthyinae.

Erimystax Jordan [D. S.] 1882:858 Masc. Luxilus dissimilis Kirtland 1840. Type by original designation. •Valid as Erimystax Jordan 1882 -- (Jenkins & Burkhead 1994:330 [ref. 21581], Gilbert 1998:16 [ref. 23395], Simons & Mayden 1999:16 [ref. 23700], Simons 2004:351 [ref. 27695]). Current status: Valid as Erimystax Jordan 1882. Leuciscidae: Pogonichthyinae.

Erinemus Jordan [D. S.] 1876:279 Masc. Ceratichthys hyalinus Cope 1868. Type by subsequent designation. Original not examined. Type designated by Jordan & Gilbert 1877:95 [ref. 4907]. •Synonym of Hybopsis Agassiz 1854 -- (Gilbert 1978:17 [ref. 7042]). •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1998:16 [ref. 23395]). Current status: Synonym of Notropis Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Eritrema (subgenus of Apocope) Cope [E. D.] & Yarrow [H. C.] 1875:645 Neut. Rhinichthys henshavii Cope 1874. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:95 [ref. 4907]. •Synonym of Rhinichthys Agassiz 1849 -- (Gilbert 1998:16 [ref. 23395]). Current status: Synonym of Rhinichthys Agassiz 1849. Leuciscidae: Pogonichthyinae.

Erogala (subgenus of Codoma) Jordan [D. S.] in Jordan & Brayton 1878:20 Neut. Photogenis stigmaturus Jordan 1877. Type by original designation. •Synonym of Notropis Rafinesque 1818; synonym of subgenus Cyprinella Girard 1856 -- (Gilbert 1978:16 [ref. 7042]). •Synonym of Cyprinella Girard 1856 -- (Mayden 1989:45 [ref. 12555], Gilbert 1998:16 [ref. 23395]). Current status: Synonym of Cyprinella Girard 1856. Leuciscidae: Pogonichthyinae.

Eulinneela (subgenus of Phoxinus) Dybowski [B. N.] 1916:101, 103 Fem. Cyprinus phoxinus Linnaeus 1758. •Synonym of Phoxinus Rafinesque 1820 -- (Howes 1985:66 [ref. 5274], Denys et al. 2020:211 [ref. 37846]). Current status: Synonym of Phoxinus Rafinesque 1820. Leuciscidae: Phoxininae.

Eupallasella Dybowski [B. N.] 1916:101, 107 Fem. Cyprinus percnurus [perenurus] Pallas 1814. Type by monotypy. •Valid as Eupallasella Dybowski 1916 -- (Howes 1985:61 [ref. 5274]). •Synonym of Phoxinus Rafinesque 1820 -- (Bogutskaya & Naseka 2004:92 [ref. 28183]). •Synonym of Rhynchocypris Günther 1889 -- (Parin et al. 2014:88 [ref. 33547], Sakai et al. 2020:[3] [ref. 37278]). Current status: Synonym of Rhynchocypris Günther 1889. Leuciscidae: Pseudaspininae.

Evarra Woolman [A. J.] 1894:64 Fem. Evarra eigenmanni Woolman 1894. Type by original designation (also monotypic). •Valid as Evarra Woolman 1894 -- (Gilbert 1998:16 [ref. 23395]). •Mexican genus, now extinct. Current status: Valid as Evarra Woolman 1894. Leuciscidae: Laviniinae.

Exoglossops Hubbs [C. L.] in Osburn et al. 1930:173 Masc. Exoglossops laurae Hubbs MS Not available; name (from Hubbs MS) used in list without description or available species; called Parexoglossum when published by Hubbs in 1931. Exoglossops Hubbs is also preoccupied by Exoglossops Fowler & Bean 1920 in fishes. •In the synonymy of Exoglossum Rafinesque 1818 -- (Gilbert 1998:16 [ref. 23395]). Nomen Nudum. Current status: Synonym of Exoglossum Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Exoglossum Rafinesque [C. S.] 1818:419 Neut. Cyprinus maxillingua Lesueur 1817. Type by subsequent designation. Type designated by Bleeker 1863:29 [ref. 4859] and 1863:205 [ref. 397]. Also appeared in Rafinesque 1819:155 [ref. 4938]. Exoglossum lesurianum Rafinesque 1818:420 is an unneeded substitute for C. maxillingua Lesueur 1817. •Valid as Exoglossum Rafinesque 1818 -- (Jenkins & Burkhead 1994:313 [ref. 21581], Simons & Mayden 1999:16 [ref. 23700]). Current status: Valid as Exoglossum Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Extrarius Jordan [D. S.] 1919:342 Masc. Hybopsis tetranemus Gilbert 1886. Type by original designation (also monotypic). •Synonym of Macrhybopsis Cockerell & Allison 1909 -- (Gilbert 1998:16 [ref. 23395], Gilbert et al. 2017:508 [ref. 35222]). Current status: Synonym of Macrhybopsis Cockerell & Allison 1909. Leuciscidae: Pogonichthyinae.

Falcula Jordan [D. S.] & Snyder [J. O.] 1899:124 Fem. Falcula chapalae Jordan & Snyder 1899. Type by original designation (also monotypic). Objectively invalid; preoccupied by Falcula Hodgson 1837 in Aves and by Falcula Conrad 1870 in Mollusca, replaced by Falcularius Jordan & Snyder 1903. •Synonym of Yuriria Jordan & Evermann 1896 -- (Gilbert 1998:16 [ref. 23395]). 1°Homonym. Current status: Synonym of Yuriria Jordan & Evermann 1896. Leuciscidae: Pogonichthyinae.

Falcularius Jordan [D. S.] & Snyder [J. O.] in Jordan 1903:360 Masc. Falcula chapalae Jordan & Snyder 1899. Type by being a replacement name. Replacement for Falcula Jordan & Snyder 1899, preoccupied by Falcula Hodgson 1837 in Aves and Falcula Conrad 1870 in Mollusca. •Synonym of Yuriria Jordan & Evermann 1896 -- (Gilbert 1998:16 [ref. 23395]). Current status: Synonym of Yuriria Jordan & Evermann 1896. Leuciscidae: Pogonichthyinae.

Gardonus Bonaparte [C. L.] 1846:29 Masc. Leuciscus decipiens Agassiz 1835. Type by subsequent designation. Earliest subsequent designation not researched; but species name apparently unavailable so needs work. The name Gardonus rutilus was used in Walecki 1863: 331 [ref. 22954] and Anonymous 1863:545, 546 [ref. 26426]. •Synonym of Rutilus Rafinesque 1820 -- (Howes 1981:45 [ref. 14200] as Gardanus). Current status: Synonym of Rutilus Rafinesque 1820. Leuciscidae: Leuciscinae.

Genghis Howes [G. J.] 1984:289 Masc. Squalius mongolicus Kessler 1876. Type by original designation (also monotypic). •Synonym of Leuciscus Cuvier 1816 -- (Luo in Chen et al. 1998:63 [ref. 23878]). •Mention -- (Kottelat 2006:87 [ref. 28831]). Current status: Synonym of Leuciscus Cuvier 1816. Leuciscidae: Leuciscinae.

Gila Baird [S. F.] & Girard [C. F.] 1853:368 Fem. Gila robusta Baird & Girard 1853. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:89 [ref. 4907]. •Valid as Gila Baird & Girard 1853 -- (Kaeding et al. 1986 [ref. 6781], Douglas et al. 1989 [ref. 12740], DeMarais 1991 [ref. 19508], DeMarais & Minckley 1992 [ref. 19868], Simons & Mayden 1997:187 [ref. 24948], Gilbert 1998:16 [ref. 23395], Simons & Mayden 1998:313 [ref. 25587], Minckley & DeMarais 2000:251 [ref. 24298], Douglas et al. 2001:389 [ref. 25233], Minckley & Marsh 2009:120 [ref. 31114], Schönhuth et al. 2014:220 [ref. 38034], Moran et al. 2017:1 [ref. 35521], Page et al. 2017:456 [ref. 35584], Carter et al. 2018:279 [ref. 35930], Copus et al. 2018:1 [ref. 36179], Ballesteros-Córdova et al. 2020:211 [ref. 37371]). Current status: Valid as Gila Baird & Girard 1853. Leuciscidae: Laviniinae.

Glossognathus Rafinesque [C. S.] 1818:420 Masc. Cyprinus maxillingua Lesueur 1817. Mentioned by Rafinesque as an equivalent of Exoglossum Rafinesque but a name he did not wish to use. Can be regarded as a name published in synonymy of Exoglossum or as a name mentioned in passing. Subsequent use as a valid name or senior homonym not researched •In the synonymy of Exoglossum Rafinesque 1818. Current status: Synonym of Exoglossum Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Graodus Günther [A.] 1868:485 Masc. Graodus nigrotaeniatus Günther 1868. Type by monotypy. •Valid as Graodus Günther 1868 -- (Mayden et al. 2007:83 [ref. 36566], Stout et al. 2022:9 [ref. 39738]). •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:15 [ref. 7042], Gilbert 1998:17 [ref. 23395]). Current status: Valid as Graodus Günther 1868. Leuciscidae: Pogonichthyinae.

Habrolepis Fitzinger [L. J. F. J.] 1873:152, 167 Fem. Squalius ukliva Heckel 1843. Type by subsequent designation. Type apparently first designated by Jordan 1919:369 [ref. 4904]. Fitzinger spelled as Habrolopis on p. 152. •Synonym of Telestes Bonaparte 1840. Current status: Synonym of Telestes Bonaparte 1840. Leuciscidae: Leuciscinae.

Heegerius (subgenus of Scardinius) Bonaparte [C. L.] 1845:10 Masc. Leuciscus heegeri Bonaparte 1839 (= Heegerius typus Bonaparte 1845). Type by monotypy. Appeared first as Heegerius Bonaparte 1845:10 [ref. 13472]. Then (according to Fowler MS) it appeared in Atti. Riun. Sci. Ital., v. 6 (1845):398. Later (1846:31, ref. 519) spelled Hegerius by Bonaparte. •Synonym of Rutilus Rafinesque 1820 -- (Howes 1981:45 [ref. 14200] as Hegerius). •Synonym of Scardinius Bonaparte 1837 -- (authors). Current status: Synonym of Scardinius Bonaparte 1837. Leuciscidae: Leuciscinae.

Hemiplus Rafinesque [C. S.] 1820:6 Masc. Hemiplus lacustris Rafinesque 1820. Type by monotypy. •Synonym of Notemigonus Rafinesque 1819 -- (Gilbert 1998:17 [ref. 23395]). Current status: Synonym of Notemigonus Rafinesque 1819. Leuciscidae: Leuciscinae.

Hemitremia Cope [E. D.] 1870:462 Fem. Hemitremia vittata Cope 1870. Type by monotypy. Species vittata preoccupied when placed in Leuciscus, renamed flammeus by Jordan. •Valid as Hemitremia Cope 1870 -- (Simons & Mayden 1997:187 [ref. 24948], Gilbert 1998:17 [ref. 23395]). Current status: Valid as Hemitremia Cope 1870. Leuciscidae: Plagopterinae.

Hesperoleucus Snyder [J. O.] 1913:63 Masc. Pogonichthys symmetricus Baird & Girard 1854. Type by original designation. •Valid as Hesperoleucus Snyder 1913 -- (Gilbert 1998:17 [ref. 23395], Baumsteiger & Moyle 2019:223 [ref. 36443]). Current status: Valid as Hesperoleucus Snyder 1913. Leuciscidae: Laviniinae.

Hudsonius Girard [C. F.] 1856:210 Masc. Hudsonius fluviatilis Girard 1856 (= Clupea hudsonia Clinton 1824). Type by subsequent designation. Type designated by Bleeker 1863:211 [ref. 397] and 1863:32 [ref. 4859]; not by absolute tautonymy [not exact] contrary to Gilbert 1998:17 [ref. 23395]. H. fluviatilis Girard is an unneeded substitute for C. hudsonia Clinton. •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:15 [ref. 7042], Gilbert 1998:17 [ref. 23395]). •Valid as Hudsonius Girard 1856 -- (Mayden et al. 2007:82 [ref. 36566], Stout et al. 2022:9 [ref. 39738]). Current status: Valid as Hudsonius Girard 1856. Leuciscidae: Pogonichthyinae.

Hybognathus Agassiz [L.] 1855:223 Masc. Hybognathus nuchalis Agassiz 1855. Type by original designation (also monotypic). •Valid as Hybognathus Agassiz 1855 -- (Cook et al. 1992 [ref. 19894], Jenkins & Burkhead 1994:446 [ref. 21581], Schmidt 1994:622 [ref. 22424], Gilbert 1998:17 [ref. 23395]). Current status: Valid as Hybognathus Agassiz 1855. Leuciscidae: Pogonichthyinae.

Hybopsis Agassiz [L.] 1854:358 Fem. Hybopsis gracilis Agassiz 1854 (= Rutilus amblops Rafinesque 1820). Type by subsequent designation. Type designated by Bleeker 1863:211 [ref. 397] and 1863:32 [ref. 4859], the use of "This genus is founded upon a small species from Huntsville." is not explicit enough for original designation. •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1998:17 [ref. 23395]). •Valid as Hybopsis Agassiz 1854 -- (Mayden 1989:25 [ref. 12555], Jenkins & Burkhead 1994:345 [ref. 21581]). Current status: Valid as Hybopsis Agassiz 1854. Leuciscidae: Pogonichthyinae.

Hyborhynchus Agassiz [L.] 1855:222 Masc. Minnilus notatus Rafinesque 1820. Type by original designation (also monotypic). Misspelled Hyborrhynchus in Zoological Record for 1876. •Synonym of Pimephales Rafinesque 1820 -- (Gilbert 1998:17 [ref. 23395]). Current status: Synonym of Pimephales Rafinesque 1820. Leuciscidae: Pogonichthyinae.

Hydrophlox Jordan [D. S.] in Jordan & Brayton 1878:18 Fem. Hybopsis rubricroceus Cope 1868. Type by original designation. •Synonym of Notropis Rafinesque 1818, but a valid subgenus Hydrophlox -- (Gilbert 1978:16 [ref. 7042], Mayden 1989:41 [ref. 12555]). •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1998:17 [ref. 23395]). •Valid as Hydrophlox Jordan 1878 -- (Stout et al. 2022:9 [ref. 39738]). Current status: Valid as Hydrophlox Jordan 1878. Leuciscidae: Pogonichthyinae.

Hypargyrus Forbes [S. A.] in Gilbert 1884:200 Masc. Hybopsis tuditanus Cope 1867. Type by original designation (also monotypic). Authorship unclear, perhaps most of description is by Gilbert; footnote indicates genus name is from Forbes' manuscript; Jordan & Evermann 1896:252 [ref. 2443] credit to Forbes. •Synonym of Pimephales Rafinesque 1820 -- (Gilbert 1998:17 [ref. 23395]). Current status: Synonym of Pimephales Rafinesque 1820. Leuciscidae: Pogonichthyinae.

Hypsolepis Agassiz [L.] (ex Baird) 1854:359 Fem. Cyprinus cornutus Mitchill 1817. Type by original designation. Hypsilepis is a misspelling. •Synonym of Notropis Rafinesque 1818, subgenus Luxilus Rafinesque 1820 -- (Gilbert 1964:110 [ref. 12397], Gilbert 1978:15 [ref. 7042]). •Synonym of Luxilus Rafinesque 1820 -- (Mayden 1989 [ref. 12555], Gilbert 1998:17 [ref. 23395]). Current status: Synonym of Luxilus Rafinesque 1820. Leuciscidae: Pogonichthyinae.

Iberochondrostoma Robalo [J. I.], Almada [V. C.], Levy [A.] & Doadrio [I.] 2007:370 Neut. Leuciscus lemmingii Steindachner 1866. Type by original designation. •Valid as Iberochondrostoma Robalo, Almada, Levy & Doadrio 2007 -- (Doadrio & Elvira 2007:296 [ref. 29510], Kottelat & Freyhof 2007:154, 196 [ref. 29996], Perea et al. 2010:4, 15 [ref. 31802], Turan et al. 2021:3 [ref. 38620]). Current status: Valid as Iberochondrostoma Robalo, Almada, Levy & Doadrio 2007. Leuciscidae: Leuciscinae.

Iberocypris Doadrio [I.] 1980:6 Fem. Iberocypris palaciosi Doadrio 1980. Type by original designation (also monotypic). •Valid as Iberocypris Doadrio 1980 -- (Kottelat & Freyhof 2007:153, 199 [ref. 29996]). •Synonym of Squalius Bonaparte 1837. Current status: Synonym of Squalius Bonaparte 1837. Leuciscidae: Leuciscinae.

Idus Heckel [J. J.] 1843:1037 Masc. Cyprinus idus Linnaeus 1758. Type by absolute tautonymy. •Synonym of Leuciscus Cuvier 1816 -- (Bănărescu 1997:22 [ref. 23274], Bogutskaya & Naseka 2004:85 [ref. 28183]). Current status: Synonym of Leuciscus Cuvier 1816. Leuciscidae: Leuciscinae.

Iotichthys (subgenus of Leuciscus) Jordan [D. S.] & Evermann [B. W.] 1896:228, 231, 243 Masc. Clinostomus phlegethontis Cope 1874. Type by original designation (also monotypic). •Valid as Iotichthys Jordan & Evermann 1896 -- (Robins et al. 1980:22 [ref. 7111], Gilbert 1998:17 [ref. 23395]). Current status: Valid as Iotichthys Jordan & Evermann 1896. Leuciscidae: Pogonichthyinae.

Klamathella (subgenus of Gila) Miller [R. R.] 1945:105 Fem. Tigoma bicolor Girard 1856. Type by original designation (also monotypic). •Valid as Klamathella Miller 1945 -- (Smith et al. 2002: 211 [ref. 36187], Tan & Armbruster 2018:18 [ref. 36121]). •Synonym of Gila Baird & Girard 1853 -- (Gilbert 1998:17 [ref. 23395], Schönhuth et al. 2014:221 [ref. 38034]). Current status: Synonym of Gila Baird & Girard 1853. Leuciscidae: Laviniinae.

Ladigesocypris Karaman [M. S.] 1972:143 Fem. Leucaspius ghigii Gianferrari 1927. Type by original designation (also monotypic). •Synonym of Squalius Bonaparte 1837 -- (Perea et al. 2010:14 [ref. 31802]). •Valid as Ladigesocypris Karaman 1972 -- (Bogutskaya 1996:39 [ref. 22945], Bănărescu 1997:22 [ref. 23274], Kottelat & Freyhof 2007:153 [ref. 29996], Barbieri et al. 2015:53 [ref. 35029], Çiçek et al. 2018:11 [ref. 36267]). Current status: Valid as Ladigesocypris Karaman 1972. Leuciscidae: Leuciscinae.

Lagowskiella (subgenus of Phoxinus) Dybowski [B. N.] 1916:101, 106 Fem. Phoxinus lagowskii Dybowski 1869. Simultaneous subjective synonym of Czekanowskiella Dybowski 1916; first reviser selecting Lagowskiella is Howes 1985:63 [ref. 5274]. •Valid as Lagowskiella Dybowski 1916 -- (Howes 1985:63 [ref. 5274], Travers 1989:197 [ref. 13578]). •Synonym of Rhynchocypris Günther 1889 -- (Kottelat 2006:47 [ref. 28831], Parin et al. 2014:88 [ref. 33547], Zhang et al. 2016:54 [ref. 34477], Sakai et al. 2020:[3] [ref. 37278]). Current status: Synonym of Rhynchocypris Günther 1889. Leuciscidae: Pseudaspininae.

Lavinia Girard [C. F.] 1854:137 Fem. Lavinia exilicauda Baird & Girard 1854. Type by subsequent designation. Type designated by Bleeker 1863:29 [ref. 4859] and 1863:206 [ref. 397]. •Valid as Lavinia Girard 1854 -- (Gilbert 1998:17 [ref. 23395], Simons & Mayden 1998:313 [ref. 25587], Baumsteiger & Moyle 2019:223 [ref. 36443]). Current status: Valid as Lavinia Girard 1854. Leuciscidae: Laviniinae.

Lepidomeda Cope [E. D.] 1874:131 [3] Fem. Lepidomeda vittata Cope 1874. Type by subsequent designation. On p. 3 of separate. Type designated by Jordan & Gilbert 1877:95 [ref. 4907]. •Valid as Lepidomeda Cope 1874 -- (Miller & Hubbs 1960:18 [ref. 11934], Simons & Mayden 1997:187 [ref. 24948], Gilbert 1998:17 [ref. 23395], Dowling et al. 2002:665 [ref. 26230], Minckley & Marsh 2009:146 [ref. 31114]). Current status: Valid as Lepidomeda Cope 1874. Leuciscidae: Plagopterinae.

Leucabramis Smitt [F. A.] 1895:798 Fem. Cyprinus vimba Linnaeus 1758. Type by monotypy. •Synonym of Abramis Cuvier 1816 -- (Howes 1981:46 [ref. 14200]). •Objective synonym of Vimba Fitzinger 1873. Current status: Synonym of Vimba Fitzinger 1873. Leuciscidae: Leuciscinae.

Leucalburnus Berg [L. S.] 1916:292 Masc. Phoxinus satunini Berg 1910. Type by monotypy. •Valid as Leucalburnus Berg 1916 -- (Bogutskaya 1987:936 [ref. 13521]). Current status: Valid as Leucalburnus Berg 1916. Leuciscidae: Leuciscinae.

Leucaspius Heckel [J. J.] & Kner [R.] 1857:145 Masc. Leucaspius abruptus Heckel & Kner 1857. Type by monotypy. Misspelled Leucaspis by Jordan 1923:141 [ref. 2421]. •Valid as Leucaspius Heckel & Kner 1857 (often dated 1858) -- (Bogutskaya 1987:936 [ref. 13521], see Coad 1981:2062 [ref. 5572], Bogutskaya 1998:62 [ref. 23589], Hänfling & Brandl 2000:267 [ref. 25144], Bogutskaya & Naseka 2004:80 [ref. 28183], Kottelat & Freyhof 2007:150 [ref. 29996], Liao et al. 2011:31 [ref. 31306], Perea et al. 2010:3, 14 [ref. 31802], Parin et al. 2014:81 [ref. 33547], Jouladeh-Roudbar et al. 2015:873 [ref. 34062], Esmaeili et al. 2017:50 [ref. 35254], Esmaeili et al. 2018:30 [ref. 36089]). Current status: Valid as Leucaspius Heckel & Kner 1857. Leuciscidae: Leuciscinae.

Leucidius Snyder [J. O.] 1917:64 Masc. Leucidius pectinifer Snyder 1917. Type by original designation (also monotypic). •Synonym of Gila Baird & Girard 1853 -- (Hubbs et al. 1974:143 [ref. 14477], Gilbert 1998:17 [ref. 23395]). •Synonym of Siphateles Cope 1883. Current status: Synonym of Siphateles Cope 1883. Leuciscidae: Laviniinae.

Leuciscus Walbaum [J. J.] (ex Klein) 1792:586 Neut. Not available, published in a part of work rejected for nomenclatural purposes in Opinion 21 (1938). Based on Klein 1749:64 [ref. 30141]. •In the synonymy of Leuciscus Cuvier 1816. Suppressed. Current status: Synonym of Leuciscus Cuvier 1816. Leuciscidae: Leuciscinae.

Leuciscus Klein [J. T.] 1775:172 Masc. Not available, published in a work that does not conform to the principle of binominal nomenclature. •In the synonymy of Leuciscus Cuvier 1816. Suppressed. Current status: Synonym of Leuciscus Cuvier 1816. Leuciscidae: Leuciscinae.

Leuciscus Cuvier [G.] (ex Klein) 1816:194 Masc. Cyprinus leuciscus Linnaeus 1758. Type by absolute tautonymy. Appeared first in Klein 1775, unavailable. •Valid as Leuciscus Cuvier 1816 -- (Yang & Hwang 1964:28 [ref. 13497]; see discussion in Howes 1984:284 [ref. 5312], Bogutskaya 1987 [ref. 13521], Wu & Wu 1992:270 [ref. 21205], Bogutskaya 1994:603 [ref. 23569], Bogutskaya & Naseka 1996:17 [ref. 22798], Bogutskaya 1996:26 [ref. 22945], Bogutskaya 1998:63 [ref. 23589], Ketmaier et al. 1998:41 [ref. 23809], Luo in Chen et al. 1998:63 [ref. 23878], Collares-Pereira et al. 1999:466 [ref. 39857], Hänfling & Brandl 2000:267 [ref. 25144], Mitrofanov 2000:36 [ref. 25139], Sideleva 2001:50 [ref. 26181], Sideleva 2003:8 [ref. 27815], Ketmaier et al. 2004:1061 [ref. 27950], Bogutskaya & Naseka 2004:84 [ref. 28183], Kottelat & Freyhof 2007:154, 204 [ref. 29996], Perea et al. 2010:3, 15 [ref. 31802], Jouladeh-Roudbar et al. 2015:874 [ref. 34062], McDowall & Stewart 2015:317 [ref. 34241], Zhang et al. 2016:53 [ref. 34477], Dyldin & Orlov 2016:661 [ref. 34853], Esmaeili et al. 2017:50 [ref. 35254], Esmaeili et al. 2018:30 [ref. 36089], Sakai et al. 2020:[4] [ref. 37278]). Current status: Valid as Leuciscus Cuvier 1816. Leuciscidae: Leuciscinae.

Leucos Heckel [J. J.] 1843:1038 Masc. Squalius aula Bonaparte 1841. Type by subsequent designation. Earliest subsequent type designation found is by Jordan & Gilbert 1883:244 [ref. 2476] as cisalpinus; that is not available. Not preoccupied by Leucus Kaup 1829 in Aves. •Synonym of Rutilus Rafinesque 1820 -- (Howes 1981:45 [ref. 14200]). •See Bănărescu 1997:23 [ref. 23274]. •Valid as Leucos Heckel 1843 -- (Bianco & Ketmaier 2014:379 [ref. 33417]). Current status: Valid as Leucos Heckel 1843. Leuciscidae: Leuciscinae.

Leucosomus Heckel [J. J.] 1843:1042 Masc. Cyprinus crysoleucas Mitchill 1814. Type by subsequent designation. Earliest type designation not researched. Jordan 1919:211 [ref. 2410] says type is chrysoleucus Heckel (not of Mitchill) = Cyprinus corporalis Mitchill. The description is of Notemigonus crysoleucas of current authors. •Synonym of Notemigonus Rafinesque 1819. Current status: Synonym of Notemigonus Rafinesque 1819. Leuciscidae: Leuciscinae.

Liparus (subgenus of Leuciscus) Schulze [E.] 1892:161 [61] Masc. Cyprinus rutilus Linnaeus 1758. Type by monotypy. Appeared as Metallites in Schulze 1890, with Liparus substituted in the 1892 edition; apparently as a replacement name. On p. 61 of separate of 1892 edition. Objectively invalid; preoccupied by Liparus Olivier 1807 in Coleoptera, Liparus Harris 1841 in Lepidoptera, and Liparus Albers 1850 in Mollusca. •Synonym of Rutilus Rafinesque 1820. 1°Homonym. Current status: Synonym of Rutilus Rafinesque 1820. Leuciscidae: Leuciscinae.

Luxilinus Jordan [D. S.] 1885:126 Masc. Leucosomus occidentalis Baird & Girard 1854. Type by original designation (also monotypic). •Synonym of Lavinia Girard 1854 -- (Gilbert 1998:17 [ref. 23395]). Current status: Synonym of Lavinia Girard 1854. Leuciscidae: Laviniinae.

Luxilus Rafinesque [C. S.] 1820:237 Masc. Luxilus chrysocephalus Rafinesque 1820. Type by subsequent designation. Also appeared in Rafinesque 1820:47 (Dec.) [ref. 3592]. Type designated by Jordan & Gilbert 1877:86 [ref. 4907]. Luxulus is a misspelling. •Synonym of Notropis Rafinesque 1818, but a valid subgenus Luxilus -- (Gilbert 1964:110 [ref. 12397], Gilbert 1978:15 [ref. 7042], Mayden 1988 [ref. 6235]). •Valid as Luxilus Rafinesque 1820 -- (Mayden 1989:38 [ref. 12555], Dowling et al. 1992 [ref. 19888], Powers & Gold 1992 [ref. 19889], Jenkins & Burkhead 1994:366 [ref. 21581], Dowling & Naylor 1997:758 [ref. 23267], Gilbert 1998:17 [ref. 23395], Mayden et al. 2007:81 [ref. 36566]). Current status: Valid as Luxilus Rafinesque 1820. Leuciscidae: Pogonichthyinae.

Lythrurus Jordan [D. S.] 1876:272 Masc. Semotilus diplemia Rafinesque 1820. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:95 [ref. 4907]. Misspelled Lithrurus by Jordan in Jordan & Meek 1885:476 but not p. 477 [ref. 10636]. •Synonym of Notropis Rafinesque 1818, but a valid subgenus Lythrurus -- (Gilbert 1978:15 [ref. 7042]). •Valid as Lythrurus Jordan 1876 -- (Mayden 1989:34 [ref. 12555], Jenkins & Burkhead 1994:380 [ref. 21581], Schmidt et al. 1998:14 [ref. 23305], Gilbert 1998:17 [ref. 23395], Mayden et al. 2007:81 [ref. 36566]). Current status: Valid as Lythrurus Jordan 1876. Leuciscidae: Pogonichthyinae.

Machaerochilus Fitzinger [L. J. F. J.] 1873:152, 170 Masc. Chondrostoma phoxinus Heckel 1843. Type by subsequent designation. Type apparently first designated by Jordan 1919:369 [ref. 4904]. •Synonym of Chondrostoma Agassiz 1832 or 1835 -- (Elvira 1987:112 [ref. 6743], Bănărescu 1997:23 [ref. 23274]). Current status: Synonym of Chondrostoma Agassiz 1832. Leuciscidae: Leuciscinae.

Macrhybopsis (subgenus of Hybopsis) Cockerell [T. D. A.] & Allison [E. M.] 1909:162 Fem. Gobio gelidus Girard 1856. Type by original designation (also monotypic). •Synonym of Hybopsis Agassiz 1854 -- (authors). •Valid as Macrhybopsis Cockerell & Allison 1909 -- (Gilbert 1998:17 [ref. 23395], Simons & Mayden 1999:16 [ref. 23700], Eisenhour 1999:969 [ref. 24184], Underwood et al. 2003:493 [ref. 27126], Eisenhour 2004:9 [ref. 29854], Gilbert et al. 2017:501, 508 [ref. 35222], Echelle et al. 2018:537 [ref. 35765]). Current status: Valid as Macrhybopsis Cockerell & Allison 1909. Leuciscidae: Pogonichthyinae.

Margariscus (subgenus of Richardsonius) Cockerell [T. D. A.] 1909:217 Masc. Clinostomus margarita Cope 1867. Type by original designation. •Synonym of Semotilus Rafinesque 1820 -- (authors). •Valid as Margariscus Cockerell 1909 -- (Jenkins & Burkhead 1994:231 [ref. 21581], Simons & Mayden 1997:187 [ref. 24948], Gilbert 1998:17 [ref. 23395], Simons & Mayden 1998:313 [ref. 25587]). Current status: Valid as Margariscus Cockerell 1909. Leuciscidae: Plagopterinae.

Maxillingua (subgenus of Exoglossum) Rafinesque [C. S.] 1818:420, 421 Fem. Cyprinus maxillingua Lesueur 1817. Type by absolute tautonymy. Proposed as a possible section [subgenus] of Exoglossum, and from the text taxon included more than one species. •Objective junior synonym of Exoglossum Rafinesque 1818 -- (Gilbert 1998:17 [ref. 23395]). Current status: Synonym of Exoglossum Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Meda Girard [C. F.] 1856:191 Fem. Meda fulgida Girard 1856. Type by monotypy. •Valid as Meda Girard 1856 -- (Miller & Hubbs 1960:31 [ref. 11934], Simons & Mayden 1997:187 [ref. 24948], Gilbert 1998:17 [ref. 23395], Dowling et al. 2002:665 [ref. 26230], Minckley & Marsh 2009:154 [ref. 31114]). Current status: Valid as Meda Girard 1856. Leuciscidae: Plagopterinae.

Metallites (subgenus of Leuciscus) Schulze [E.] 1890:194 [58] Masc. Cyprinus rutilus Linnaeus 1758. Type by monotypy. Proofed from separate, on p. 58 of separate; appeared as Liparus in Schulze in the 1892 edition; regarded as a replacement name for Metallites. Objectively invalid; preoccupied by Metallites Schoenherr 1824 in Coleoptera. •Synonym of Rutilus Rafinesque 1820. 1°Homonym. Current status: Synonym of Rutilus Rafinesque 1820. Leuciscidae: Leuciscinae.

Microlepis (subgenus of Leuciscus) Bonaparte [C. L.] 1846:30 Fem. Squalius microlepis Heckel 1843. Type by absolute tautonymy. •Synonym of Squalius Bonaparte 1837. Current status: Synonym of Squalius Bonaparte 1837. Leuciscidae: Leuciscinae.

Miniellus (subgenus of Notropis) Jordan [D. S.] 1882:842 Masc. Hybognathus procne Cope 1865. Type by subsequent designation. Type designated by Jordan and Evermann 1896:254 [ref. 2443]. Also appeared in Jordan & Gilbert 1883:xvi [ref. 2476], Jordan 1888:56 [ref. 2390]. •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:16 [ref. 7042], Gilbert 1998:17 [ref. 23395]). • Valid as Miniellus Jordan 1882 -- (Mayden et al. 2007:85 [ref. 36566] dated 1888, Tan & Armbruster 2018:31 [ref. 36121] dated 1888, Stout et al. 2022:9 [ref. 39738]). Current status: Valid as Miniellus Jordan 1882. Leuciscidae: Pogonichthyinae.

Minnilus Rafinesque [C. S.] 1820:235 Masc. Minnilus dinemus Rafinesque 1820. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:86 [ref. 4907]. Also appeared in Rafinesque 1820 (Dec.):45 [ref. 3592]. Misspelled on p. 236 as Minulus and on p.237 as Minnulus. •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:15 [ref. 7042], Gilbert 1998:17 [ref. 23395]). Current status: Synonym of Notropis Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Mirogrex Goren [M.], Fishelson [L.] & Trewavas [E.] 1973:306 Masc. Acanthobrama terraesanctae Steinitz 1952. Type by original designation (also monotypic). •Synonym of Rutilus Rafinesque 1820 -- (Howes 1981:46 [ref. 14200]). •Synonym of Acanthobrama Heckel 1843 -- (Coad 1984 [ref. 5347], Krupp & Schneider 1989:354 [ref. 13651]). •Valid as Mirogrex Goren, Fishelson & Trewavas 1973 -- (Perea et al. 2010:4 [ref. 31802]). Current status: Valid as Mirogrex Goren, Fishelson & Trewavas 1973. Leuciscidae: Leuciscinae.

Moapa Hubbs [C. L.] & Miller [R. R.] 1948:1 Fem. Moapa coriacea Hubbs & Miller 1948. Type by original designation (also monotypic). •Valid as Moapa Hubbs & Miller 1948 -- (Gilbert 1998:18 [ref. 23395], Minckley & Marsh 2009:156 [ref. 31114]). •Synonym of Gila Baird & Girard 1853, but a valid subgenus -- (Smith et al. 2002: 211 [ref. 36187]). •Synonym of Gila Baird & Girard 1853 -- (Schönhuth et al. 2014:220 [ref. 38034], Tan & Armbruster 2018:29 [ref. 36121]). Current status: Synonym of Gila Baird & Girard 1853. Leuciscidae: Laviniinae.

Moniana Girard [C. F.] 1856:199 Fem. Leuciscus lutrensis Baird & Girard 1853. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:91 [ref. 4907]. •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:15 [ref. 7042], Mayden 1987 [ref. 6630]). •Synonym of Cyprinella Girard 1856 -- (Mayden 1989:45 [ref. 12555], Gilbert 1998:18 [ref. 23395]). Current status: Synonym of Cyprinella Girard 1856. Leuciscidae: Pogonichthyinae.

Moroco Jordan [D. S.] & Hubbs [C. L.] 1925:180 Masc. Pseudaspius bergi Jordan & Metz 1913. Type by original designation. •Valid as Moroco Jordan & Hubbs 1925 -- (Sawada in Masuda et al. 1984:57 [ref. 6441]). •Synonym of Lagowskiella Dybowski 1916 -- (Howes 1985:63 [ref. 5274]). •Synonym of Phoxinus (with author as Agassiz 1835) -- (Luo in Chen et al. 1998:75 [ref. 23878]). •Synonym of Phoxinus Rafinesque 1820 -- (Bogutskaya & Naseka 2004:92 [ref. 28183]). •Synonym of Rhynchocypris Günther 1889 -- (Kottelat 2006:47 [ref. 28831], Zhang et al. 2016:55 [ref. 34477], Sakai et al. 2020:[3] [ref. 37278]). Current status: Synonym of Rhynchocypris Günther 1889. Leuciscidae: Pseudaspininae.

Mylocheilus Agassiz [L.] 1855:229 Masc. Mylocheilus lateralis Agassiz & Pickering 1855. Type by original designation ("new generic type") or by monotypy. •Valid as Mylocheilus Agassiz 1855 -- (Gilbert 1998:18 [ref. 23395], Simons & Mayden 1999:18 [ref. 23700]). Current status: Valid as Mylocheilus Agassiz 1855. Leuciscidae: Pogonichthyinae.

Myloleucus Cope [E. D.] 1872:475 Masc. Myloleucus pulverulentus Cope 1872. Type by monotypy. •Synonym of Gila Baird & Girard 1853 -- (Gilbert 1998:18 [ref. 23395]). Current status: Synonym of Gila Baird & Girard 1853. Leuciscidae: Laviniinae.

Mylopharodon Ayres [W. O.] 1855:[2] col. 5 Masc. Mylopharodon robustus Ayres 1855. Type by monotypy. Read at meeting of 12 Mar. 1855; appeared first in "The Pacific" newspaper, v. 4 (no. 16), 23 Mar. 1855, then in the Proceedings, p. 35 [ref. 159]. •Valid as Mylopharodon Ayres 1855 -- (Uyeno 1961:338 [ref. 4479], Mayden et al. 1991 [ref. 19123], Gilbert 1998:17 [ref. 23395], Tang et al. 2013:101 [ref. 33447] in Oxygastrinae). Current status: Valid as Mylopharodon Ayres 1855. Leuciscidae: Laviniinae.

Nasus Basilewsky [S.] (ex Cuvier) 1855:234 Masc. Cyprinus nasus Linnaeus 1758. Type by absolute tautonymy. On Official List (Opinion 513). •Objective synonym of Chondrostoma Agassiz 1832. Current status: Synonym of Chondrostoma Agassiz 1832. Leuciscidae: Leuciscinae.

Nazatexico Whitley [G. P.] 1931:334 Masc. Notropis orca Woolman 1894. Type by being a replacement name. Replacement for two genera with same type; unneeded replacement for Orcella Jordan & Evermann (not preoccupied) but apparently can serve as a replacement for Orcula Jordan & Evermann, preoccupied by Orcula Held 1837 in Mollusca, Orcula Weisse 1846 in Protozoa, and Orcula Troschel 1846 in Echini. •Objective synonym of Orcella; synonym of Notropis Rafinesque 1818 -- (Gilbert 1998:18 [ref. 23395]). Current status: Synonym of Notropis Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Nocomis Girard [C. F.] 1856:190 Masc. Nocomis nebracensis Girard 1856. Type by monotypy. Treated as masculine by author. •Valid as Nocomis Girard 1856 -- (Lachner & Jenkins 1967 [ref. 7136], Jenkins & Burkhead 1994:318 [ref. 21581], Gilbert 1998:18 [ref. 23395], Simons & Mayden 1999:16 [ref. 23700], Nagle & Simons 2012:639 [ref. 32448]). Current status: Valid as Nocomis Girard 1856. Leuciscidae: Pogonichthyinae.

Notemigonus Rafinesque [C. S.] 1819:420 Masc. Notemigonus auratus Rafinesque 1819. Type by monotypy. •Valid as Notemigonus Rafinesque 1819 -- (Jenkins & Burkhead 1994:280 [ref. 21581], Gilbert 1998:18 [ref. 23395], Minckley & Marsh 2009:183 [ref. 31114], Perea et al. 2010:14 [ref. 31802]). Current status: Valid as Notemigonus Rafinesque 1819. Leuciscidae: Leuciscinae.

Nototropis Jordan [D. S.] 1877:342 Masc. Notropis atherinoides Rafinesque 1818. Misspelling or unjustified emendation of Notropis Rafinesque 1818 [correct orthography would have been Nototropis]; see Gilbert 1978:16-17 [ref. 7042] who designates N. stilbius as type [but withdrew in unpublished "addenda"]. Nototropis is preoccupied by Nototropis Costa 1853 in Crustacea. •Objective synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:16 [ref. 7042], Gilbert 1998:18 [ref. 23395]). Current status: Synonym of Notropis Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Notropis Rafinesque [C. S.] 1818:204 Masc. Notropis atherinoides Rafinesque 1818. Type by monotypy. On Official List (Opinion 1230); ruled masculine by ICZN. •Valid as Notropis Rafinesque 1818 -- (Gilbert 1978 [ref. 7042], Chernoff & Miller 1986 [ref. 6782], Mayden 1989:41 [ref. 12555], Jenkins & Burkhead 1994:385 [ref. 21581], Simons & Mayden 1997:187 [ref. 24948], Simons & Mayden 1998:313 [ref. 25587], Gilbert 1998:18 [ref. 23395], Schönhuth et al. 2001:359 [ref. 25185], Pera & Armbruster 2006:423 [ref. 28795], Domínguez-Domínguez et al. 2007:260 [ref. 29756], Mayden et al. 2007:85 [ref. 36566], Schönhuth et al. 2008:742 [ref. 29831], Berendzen et al. 2009:661 [ref. 30668], Domínguez-Domínguez et al. 2009:159 [ref. 30768], Minckley & Marsh 2009:185 [ref. 31114], Kilian et al. 2011:236 [ref. 31604], Conway & Kim 2016:305 [ref. 34355], Scott et al. 2018:524 [ref. 36186], Stout et al. 2022:9 [ref. 39738]). Current status: Valid as Notropis Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Opsopoea Jordan [D. S.] & Evermann [B. W.] 1896:247, 248, 249 Fem. Opsopoeodus bollmani Gilbert 1891. Type by original designation (also monotypic). Type designated on p. 247 (name in parentheses). •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:18 [ref. 7042], Gilbert 1998:18 [ref. 23395]). Current status: Synonym of Notropis Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Opsopoeodus Hay [O. P.] 1881:507 Masc. Opsopoeodus emiliae Hay 1881. Type by monotypy. •Synonym of Notropis Rafinesque 1818, but a valid subgenus Opsopoeodus -- (Gilbert & Bailey 1972 [ref. 7153], Gilbert 1978:16 [ref. 7042]). •Valid as Opsopoeodus Hay 1881 -- (Page & Johnston 1990 [ref. 16703], Gilbert 1998:18 [ref. 23395], Blanton et al. 2011:82 [ref. 31244]). •Synonym of Pimephales Rafinesque 1820 -- (Mayden et al. 2007:81 [ref. 36566]). Current status: Valid as Opsopoeodus Hay 1881. Leuciscidae: Pogonichthyinae.

Orcella (subgenus of Notropis) Jordan [D. S.] & Evermann [B. W.] 1896:254, 257, 289 Fem. Notropis orca Woolman 1894. Type by original designation (also monotypic). Apparently not preoccupied by Orcaella or by Orcella Anderson 1871:142 [not researched], a misspelling of Orcaella Gray 1866 in Cetacea. •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:16 [ref. 7042], Gilbert 1998:18 [ref. 23395]). Current status: Synonym of Notropis Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Orcula (subgenus of Notropis) Jordan [D. S.] & Evermann [B. W.] 1900:3140 Fem. Notropis orca Woolman 1894. Type by being a replacement name. Unneeded replacement for Orcella Jordan & Evermann 1896, apparently not preoccupied by Orcella Anderson (misspelling for Orcaella Gray 1866 in Cetacea). •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1998:18 [ref. 23395]). •Synonym of Notropis Rafinesque 1818, subgenus Orcella Jordan & Evermann 1896 -- (Gilbert 1978:16 [ref. 7042]). Current status: Synonym of Notropis Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Oregonichthys Hubbs [C. L.] in Schultz 1929:47 Masc. Hybopsis crameri Snyder 1908. Type by monotypy. No description, proposed for Hybopsis crameri. For nomenclatural history see Schultz & Hubbs 1961:477 [ref. 3949]. •In the synonymy of Hybopsis Agassiz 1854 -- (authors). •Valid as Oregonichthys Hubbs 1929 -- (Markle et al. 1991 [ref. 21027], Gilbert 1998:18 [ref. 23395], Simons & Mayden 1999:16 [ref. 23700]). Current status: Valid as Oregonichthys Hubbs 1929. Leuciscidae: Pogonichthyinae.

Oreoleuciscus Warpachowski [N. A.] 1889:263 Masc. Chondrostoma potanini Kessler 1879. Type by subsequent designation. Earliest type designation apparently Berg 1912:81. For remarks on systematics of this genus see Kottelat 2006:41 [ref. 28831]. •Valid as Oreoleuciscus Warpachowski 1889 -- (Bogutskaya 1987:936 [ref. 13521], Travers 1989:193 [ref. 13578], Bănărescu 1997:24 [ref. 23274], Bogutskaya 1998:65 [ref. 23589], Bogutskaya 2001:10 [ref. 26833], Bogutskaya & Naseka 2004:90 [ref. 28183], Kottelat 2006:41 [ref. 28831], Sakai et al. 2020:[4] [ref. 37278]). Current status: Valid as Oreoleuciscus Warpachowski 1889. Leuciscidae: Pseudaspininae.

Orfus Fitzinger [L. J. F. J.] 1873:152, 163 Masc. Leuciscus virgo Heckel 1852. Type by monotypy. •Synonym of Rutilus Rafinesque 1820 -- (Bănărescu 1997:24 [ref. 23274]). Current status: Synonym of Rutilus Rafinesque 1820. Leuciscidae: Leuciscinae.

Orthodon Girard [C. F.] 1856:182 Masc. Gila microlepidota Ayres 1854 (= Leuciscus microlepidotus Ayres 1854.). Type by monotypy. •Valid as Orthodon Girard 1856 -- (Gilbert 1998:18 [ref. 23395], Simons & Mayden 1998:313 [ref. 25587]). Current status: Valid as Orthodon Girard 1856. Leuciscidae: Laviniinae.

Orthroleucos (subgenus of Rutilus) Derjavin [A. N.] 1937:71 Masc. Rutilus atropatenus Derjavin 1937. Type by monotypy. •Synonym of Rutilus Rafinesque 1820, but a valid subgenus Orthroleucos as described -- (Bănărescu 1997:24 [ref. 23274] as Orthroleucus). Current status: Synonym of Rutilus Rafinesque 1820. Leuciscidae: Leuciscinae.

Owsianka Dybowski [B. N.] 1862:283 Fem. Aspius owsianka Czernay 1851. Type by absolute tautonymy. Dybowski's Owsianka czernayi is as unneeded replacement for A. owsianka Czernay. •Synonym of Leucaspius Heckel & Kner 1857 -- (Bănărescu 1997:24 [ref. 23274]). Current status: Synonym of Leucaspius Heckel & Kner 1857. Leuciscidae: Leuciscinae.

Oxygeneum Forbes [S. A.] 1885:136 Neut. Oxygeneum pulverulentum Forbes 1885. Type by monotypy. Apparently based on a hybrid between Campostoma and Chrosomus (see Hubbs & Bailey 1952 [ref. 10843], Gilbert 1998:18 [ref. 23395]). •Invalid, based on an intergeneric hybrid. Current status: Uncertain. Leuciscidae.

Pachychilon (subgenus of Leuciscus) Steindachner [F.] 1882:71 Neut. Squalius pictus Heckel & Kner 1857. Type by monotypy. •Synonym of Rutilus Rafinesque 1820 -- (Howes 1981:46 [ref. 14200]). •Valid as Pachychilon Steindachner 1882 -- (Bănărescu 1997:24 [ref. 23274], Kottelat & Freyhof 2007:152, 209 [ref. 29996], Perea et al. 2010:4, 16 [ref. 31802]). Current status: Valid as Pachychilon Steindachner 1882. Leuciscidae: Leuciscinae.

Parachondrostoma Robalo [J. I.], Almada [V. C.], Levy [A.] & Doadrio [I.] 2007:371 Neut. Chondrostoma miegii Steindachner 1866. Type by original designation. •Valid as Parachondrostoma Robalo, Almada, Levy & Doadrio 2007 -- (Doadrio & Elvira 2007:296 [ref. 29510], Kottelat & Freyhof 2007:150, 211 [ref. 29996], Perea et al. 2010:4, 15 [ref. 31802], Turan et al. 2021:3 [ref. 38620]). Current status: Valid as Parachondrostoma Robalo, Almada, Levy & Doadrio 2007. Leuciscidae: Leuciscinae.

Paranotropis (subgenus of Notropis) Fowler [H. W.] 1904:245 Masc. Photogenis leuciodus Cope 1868. Type by original designation. Fowler states that the type is P. leuciodus and also states that Episema Jordan, based on scabriceps, is preoccupied; contrary to Jordan (1920:507 [ref. 4905]), we do not feel Fowler proposed this as a replacement for Episema. •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1998:18 [ref. 23395]). •Synonym of Notropis Rafinesque 1818, subgenus Hydrophlox Jordan 1878 -- (Gilbert 1978:16 [ref. 7042]). •Synonym of Notropis Rafinesque 1818, subgenus Paranotropis Fowler 1904 -- (Stout et al. 2022:9 [ref. 39738]). •Valid as Paranotropis Fowler 1904 -- (Stout et al. 2022:7 [ref. 39738]). Current status: Valid as Paranotropis Fowler 1904. Leuciscidae: Pogonichthyinae.

Paraphoxinellus Kottelat [M.] 1997:75 Masc. Not available. Name first appeared in Kottelat 1997:75 [ref. 22952] (citing Maitland) as Paraphoxinellus minutus Karaman 1924 and appeared later in Wildekamp et al. 1999:29 [ref. 26561] in the combination Paraphoxinellus maeandri (Ladiges 1960). Maitland 1977:120 [ref. 26590] used the combination Phoxinellus minutus. Also might have appeared in Wildekamp & Valkenburg 1994:447-453 (DATZ) [cited in Wildekamp et al. 1999 (ref. 26561)]. Probably an unintentional combination of Paraphoxinus and Phoxinellus. Nomen Nudum. Leuciscidae: Leuciscinae.

Paraphoxinus Bleeker [P.] 1863:209 Masc. Phoxinellus alepidotus Heckel 1843. Type by original designation (also monotypic). Also appeared in Bleeker 1863:31 [ref. 4859] and 1863:263 [ref. 403]; earliest publication not determined; see Trewavas 1972:359 [ref. 23001]. •Objective synonym of Phoxinellus Heckel 1843 -- (Bănărescu 1997:24 [ref. 23274], Zupancic & Bogutskaya 2000:68 [ref. 25145], Bogutskaya & Zupancic 2003:369 [ref. 27407]). Current status: Synonym of Phoxinellus Heckel 1843. Leuciscidae: Leuciscinae.

Pararhinichthys Stauffer [J. R., Jr.], Hocutt [C. H.] & Mayden [R. L.] 1997:329 Masc. Rhinichthys bowersi Goldsborough & Clark 1908. Type by original designation (also monotypic). Based on population that arose through intergeneric hybridization events between Rhinichthys cataractae and Nocomis micropogon. According to Art. 17.2 the name is available. Current status: A hybrid. •Valid as Pararhinichthys Stauffer, Hocutt & Mayden 1997 -- (Gilbert 1998:18 [ref. 23395]). •Based on a hybrid between Nocomis micropogon and Rhinichthys cataractae -- (Poly & Sabaj 1998:1084 [ref. 23633]). Current status: Synonym of Rhinichthys Agassiz 1849. Leuciscidae: Pogonichthyinae.

Pararhodeus Berg [L. S.] 1907:160 Masc. Rhodeus syriacus Lortet 1883. Type by monotypy. See also Krupp & Schneider 1989:375 [ref. 13651]. •Valid as Pararhodeus Berg 1907 -- (Wu 1964:206 [ref. 13503], Coad 1981:2062 [ref. 5572]). •Synonym of Pseudophoxinus Bleeker 1860 -- (Lévêque & Daget 1984:331 [ref. 6186], Bogutskaya 1992:264 [ref. 22066], Bogutskaya & Zupancic 2003:369 [ref. 27407]). Current status: Synonym of Pseudophoxinus Bleeker 1860. Leuciscidae: Leuciscinae.

Pararutilus (subgenus of Rutilus) Berg [L. S.] 1912:40, 43 Masc. Leuciscus frisii Nordmann 1840. Type by original designation (also monotypic). •Synonym of Rutilus Rafinesque 1820 -- (Howes 1981:46 [ref. 14200]). •Synonym of Rutilus Rafinesque 1820, but a valid subgenus Pararutilus -- (Bănărescu 1997:25 [ref. 23274], Bogutskaya & Iliadou 2006:294 [ref. 28494]). Current status: Synonym of Rutilus Rafinesque 1820. Leuciscidae: Leuciscinae.

Parchrosomus Gasowska [M.] 1979:404 Masc. Chrosomus oreas Cope 1868. Type by original designation (also monotypic). •Synonym of Phoxinus Rafinesque 1820 -- (Howes 1985:66 [ref. 5274]). •Synonym of Chrosomus Rafinesque 1820 -- (Strange & Mayden 2009:494 [ref. 30381] based on placement of the type species). Current status: Synonym of Chrosomus Rafinesque 1820. Leuciscidae: Laviniinae.

Parexoglossum Hubbs [C. L.] 1931:4 Neut. Parexoglossum laurae Hubbs 1931. Type by original designation (also monotypic). Exoglossops Hubbs in Osburn et al. 1930:173 [ref. 5943] is a nomen nudum (and also preoccupied by Exoglossops Fowler & Bean 1920). •Synonym of Exoglossum Rafinesque 1818 -- (Gilbert 1998:18 [ref. 23395]). Current status: Synonym of Exoglossum Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Pelasgus Kottelat [M.] & Freyhof [J.] 2007:103 Masc. Pseudophoxinus laconicus Kottelat & Barbieri 2004. Type by original designation. •Valid as Pelasgus Kottelat & Freyhof 2007 -- (Kottelat & Freyhof 2007:152, 214 [ref. 29996], Perea et al. 2010:4, 16 [ref. 31802], Rodríguez et al. 2021:4 [ref. 38588], Tsaparis et al. 2021:[4] [ref. 38151]). Current status: Valid as Pelasgus Kottelat & Freyhof 2007. Leuciscidae: Leuciscinae.

Pelecus Agassiz [L.] 1835:39 Masc. Cyprinus cultratus Linnaeus 1758. Type by monotypy. •Valid as Pelecus Agassiz 1835 -- (Bogutskaya 1988:104 [ref. 12754], Bogutskaya 1998:66 [ref. 23589], Hänfling & Brandl 2000:267 [ref. 25144], Bogutskaya & Naseka 2004:97 [ref. 28183], Kottelat & Freyhof 2007:149 [ref. 29996], Perea et al. 2010:16 [ref. 31802], Parin et al. 2014:85 [ref. 33547], Jouladeh-Roudbar et al. 2015:876 [ref. 34062], Esmaeili et al. 2017:53 [ref. 35254], Esmaeili et al. 2018:33 [ref. 36089]). Current status: Valid as Pelecus Agassiz 1835. Leuciscidae: Leuciscinae.

Petroleuciscus Bogutskaya [N. G.] 2002:236 Masc. Squalius borysthenicus Kessler 1859. Type by original designation. •Synonym of Squalius Bonaparte 1837 -- (Parin et al. 2014:95 [ref. 33547]). •Valid as Petroleuciscus Bogutskaya 2002 -- (Bogutskaya & Naseka 2004:86 [ref. 28183], Kottelat & Freyhof 2007:154, 220 [ref. 29996], Coad & Bogutskaya 2010:37 [ref. 30930], Perea et al. 2010:3, 14 [ref. 31802], Jouladeh-Roudbar et al. 2015:876 [ref. 34062], Çiçek et al. 2018:11 [ref. 36267], Esmaeili et al. 2017:53 [ref. 35254], Esmaeili et al. 2018:33 [ref. 36089], Turan et al. 2018:[1] [ref. 35758]). Current status: Valid as Petroleuciscus Bogutskaya 2002. Leuciscidae: Leuciscinae.

Pfrille Jordan [D. S.] 1924:71 Fem. Phoxinus neogaeus Cope 1867. Type by original designation (also monotypic). •Synonym of Phoxinus Rafinesque 1820b but a valid subgenus Pfrille -- (Gasowska 1979:403 [ref. 1566]). •Synonym of Phoxinus Rafinesque 1820 -- (Howes 1985:66 [ref. 5274], Gilbert 1998:18 [ref. 23395]). •Synonym of Chrosomus Rafinesque 1820, but a valid subgenus Pfrille -- (Strange & Mayden 2009:495 [ref. 30381]). Current status: Synonym of Chrosomus Rafinesque 1820. Leuciscidae: Laviniinae.

Phenacobius Cope [E. D.] 1867:96 Masc. Phenacobius teretulus Cope 1867. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:94 [ref. 4907]. •Valid as Phenacobius Cope 1867 -- (Jenkins & Burkhead 1994:337 [ref. 21581], Simons & Mayden 1997:187 [ref. 24948], Gilbert 1998:18 [ref. 23395], Simons & Mayden 1998:313 [ref. 25587], Simons & Mayden 1999:16 [ref. 23700]). Current status: Valid as Phenacobius Cope 1867. Leuciscidae: Pogonichthyinae.

Photogenis Cope [E. D.] 1867:378 Squalius photogenis Cope 1865. Type by absolute tautonymy. Also appeared in Cope 1868:163 [ref. 7316]; in 1868 paper Cope cites original as 1866:378 which is our Cope 1867 [ref. 910]. Reference 910 was read in 1866 and separates apparently distributed in 1867, and distribution of bound part in 1869. Gilbert 1998:18 [ref. 23395] errors in not treating the type as Squalius photogenis by absolute tautonymy [instead he says type is Photogenis spilopterus Cope 1867]; photogenis is an included species renamed on p. 379 as Photogenis leucops [to avoid Strickland tautonymy; see Art. 68.4]. •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:15 [ref. 7042]). •Synonym of Cyprinella Girard 1857 -- (Mayden 1989:45 [ref. 12555], Gilbert 1998:18 [ref. 23395]). •With type as above, genus is a synonym of Notropis Rafinesque 1818. Current status: Synonym of Notropis Rafinesque 1818. Leuciscidae: Pogonichthyinae.

Phoxinellus Heckel [J. J.] 1843:1039 Masc. Phoxinellus alepidotus Heckel 1843. Type by subsequent designation. Type apparently designated first by Bleeker 1859 [?= 1860] (see Trewavas 1972:359 [ref. 23001]); type not zeregi as treated by Bleeker 1863:209 [ref. 397], 1863:263 [ref. 403] and 1863:31 [ref. 4859]. Misspelled Rhoxinellus by Heckel 1843:1012. See Bănărescu 1997:25 [ref. 23274]. •Valid as Phoxinellus Heckel 1843 -- (see Howes 1985:69 [ref. 5274], Lelek 1987:216 [ref. 22962], Zupancic & Bogutskaya 2000:68 [ref. 25145], Bogutskaya & Zupancic 2003:369 [ref. 27407], Ketmaier et al. 2004:1061 [ref. 27950], Freyhof et al. 2006:418 [ref. 28484], Kottelat & Freyhof 2007:151, 222 [ref. 29996], Freyhof & Özuluğ 2010:309 [ref. 30686], Perea et al. 2010:4, 15 [ref. 31802], Bogutskaya et al. 2012:54 [ref. 32007]). Current status: Valid as Phoxinellus Heckel 1843. Leuciscidae: Leuciscinae.

Phoxinus Agassiz [L.] 1835:37 Masc. Cyprinus phoxinus Linnaeus 1758. Type by absolute tautonymy. Species phoxinus needlessly renamed laevis by Agassiz [to avoid Strickland tautonymy]. Regarded as a genus described independently of Phoxinus Rafinesque 1820. •Treated as valid with Agassiz as author -- (Yang & Hwang 1964:22 [ref. 13497], Luo in Chen et al. 1998:75 [ref. 23878]). •Objective synonym of Phoxinus Rafinesque 1820 -- (Bogutskaya & Naseka 2004:91 [ref. 28183], Denys et al. 2020:211 [ref. 37846]). Current status: Synonym of Phoxinus Rafinesque 1820. Leuciscidae: Phoxininae.

Phoxinus Rafinesque [C. S.] 1820:236 Masc. Cyprinus phoxinus Linnaeus 1758. Type by subsequent tautonymy. Proposed for European species, but no species listed. First addition of species not researched. Also in Rafinesque (Dec.) 1820:46 [ref. 3592]. Roxinus is a misspelling. •Valid as Phoxinus Rafinesque 1820 -- (Howes 1985:66 [ref. 5274], Bogutskaya 1987:936 [ref. 13521], Starnes & Jenkins 1988 [ref. 6686], Travers 1989:198 [ref. 13578], Jenkins & Burkhead 1994:283 [ref. 21581], Bogutskaya & Naseka 1996:18 [ref. 22798], Chen & Arratia 1996:127 [ref. 23249], Bogutskaya 1998:67 [ref. 23589], Simons & Mayden 1998:313 [ref. 25587], Hänfling & Brandl 2000:267 [ref. 25144], Sideleva 2001:51 [ref. 26181], Sideleva 2003:9 [ref. 27815], Shedko & Shedko 2003:319 [ref. 27966], Bogutskaya & Naseka 2004:91 [ref. 28183], Kottelat 2007:145 [ref. 29201], Kottelat & Freyhof 2007:152, 224 [ref. 29996], Strange & Mayden 2009:494 [ref. 30381], Parin et al. 2014:85 [ref. 33547], Bianco & De Bonis 2015:1 [ref. 34040], Zhang et al. 2016:54 [ref. 34477], Dyldin & Orlov 2016:662 [ref. 34853], Palandačić et al. 2017:1 [ref. 35519], Bogutskaya et al. 2019:1 [ref. 37234], Sakai et al. 2020:[4] [ref. 37278], Denys et al. 2020:205 [ref. 37846], Bogutskaya et al. 2023:1 [ref. 40045], Turan et al. 2023:1 [ref. 40351], Bayçelebi et al. 2024:101 [ref. 40795], Artaev et al. 2024:291 [ref. 40926]). Current status: Valid as Phoxinus Rafinesque 1820. Leuciscidae: Phoxininae.

Pigus (subgenus of Gardonus) Bonaparte [C. L.] 1846:29 Masc. Cyprinus pigus Lacepède 1803. Type by absolute tautonymy. •Synonym of Rutilus Rafinesque 1820 -- (Howes 1981:45 [ref. 14200]). Current status: Synonym of Rutilus Rafinesque 1820. Leuciscidae: Leuciscinae.

Pimephales Rafinesque [C. S.] 1820:242 Masc. Pimephales promelas Rafinesque 1820. Type by monotypy. Also appeared in Rafinesque 1820:52 (Dec.) [ref. 3592]; Rafinesque states name is from "Pimelecephales"; Pimelocephales Meek 1904:50 [ref. 2958] is an unjustified emendation of Pimephales. •Valid as Pimephales Rafinesque 1820 -- (Mayden 1989:25 [ref. 12555], Jenkins & Burkhead 1994:448 [ref. 21581], Gilbert 1998:18 [ref. 23395], Kottelat & Freyhof 2007:150 [ref. 29996], Mayden et al. 2007:82 [ref. 36566], Minckley & Marsh 2009:186 [ref. 31114], Jouladeh-Roudbar et al. 2015:878 [ref. 34062], Schönhuth et al. 2016:38 [ref. 34739], Esmaeili et al. 2017:54 [ref. 35254], Esmaeili et al. 2018:34 [ref. 36089]). Current status: Valid as Pimephales Rafinesque 1820. Leuciscidae: Pogonichthyinae.

Pisciculus Dralet [É-F.] 1821:35 Masc. Pisciculus varius Dralet 1821. Type by monotypy. Based on Rondelet 205. •Synonym of Phoxinus Rafinesque 1820 -- (Denys et al. 2020:211 [ref. 37846]). Current status: Synonym of Phoxinus Rafinesque 1820. Leuciscidae: Phoxininae.

Plagopterus Cope [E. D.] 1874:130 [2] Masc. Plagopterus argentissimus Cope 1874. Type by monotypy. On p. 2 of separate. •Valid as Plagopterus Cope 1874 -- (Miller & Hubbs 1960:33 [ref. 11934], Simons & Mayden 1997:189 [ref. 24948], Gilbert 1998:18 [ref. 23395], Dowling et al. 2002:665 [ref. 26230], Minckley & Marsh 2009:158 [ref. 31114]). Current status: Valid as Plagopterus Cope 1874. Leuciscidae: Plagopterinae.

Plargyrus Rafinesque [C. S.] 1820:240 Masc. Rutilus plargyrus Rafinesque 1820. Type by absolute tautonymy; also verified by ICZN in Opinion 33. Also appeared in Rafinesque 1820:50 (Dec.) [ref. 3592]. •Synonym of Notropis Rafinesque 1818 -- (Gilbert 1978:15 [ref. 7042]). •Synonym of Notropis Rafinesque 1818, subgenus Luxilus Rafinesque 1820 -- (Gilbert 1964:111 [ref. 12397] and authors). •Synonym of Luxilus when Luxilus is treated as valid -- (e.g., as by Mayden 1989 [ref. 12555], Gilbert 1998:19 [ref. 23395]). Current status: Synonym of Luxilus Rafinesque 1820. Leuciscidae: Pogonichthyinae.

Platygobio Gill [T. N.] 1863:178 Masc. Pogonichthys communis Girard 1856. Type by monotypy. •Synonym of Hybopsis Agassiz 1854 -- (authors). •Valid as Platygobio Gill 1863 -- (Simons & Mayden 1997:187 [ref. 24948], Gilbert 1998:19 [ref. 23395], Simons & Mayden 1998:313 [ref. 25587], Simons & Mayden 1999:16 [ref. 23700]). Current status: Valid as Platygobio Gill 1863. Leuciscidae: Pogonichthyinae.

Pogonichthys Girard [C. F.] 1854:136 Masc. Pogonichthys inaequilobus Baird & Girard 1854. Type by monotypy. •Valid as Pogonichthys Girard 1854 -- (Gilbert 1998:19 [ref. 23395], Simons & Mayden 1999:18 [ref. 23700]). Current status: Valid as Pogonichthys Girard 1854. Leuciscidae: Pogonichthyinae.

Protochondrostoma Robalo [J. I.], Almada [V. C.], Levy [A.] & Doadrio [I.] 2007:371 Neut. Leuciscus genei Bonaparte 1839. Type by original designation (also monotypic). •Valid as Protochondrostoma Robalo, Almada, Levy & Doadrio 2007 -- (Kottelat & Freyhof 2007:150 [ref. 29996], Perea et al. 2010:4, 15 [ref. 31802], Turan et al. 2021:3 [ref. 38620]). Current status: Valid as Protochondrostoma Robalo, Almada, Levy & Doadrio 2007. Leuciscidae: Leuciscinae.

Protoporus Cope [E. D.] 1872:473 Masc. Protoporus domninus Cope 1872. Type by monotypy. •Synonym of Gila Baird & Girard 1853 -- (Gilbert 1998:19 [ref. 23395]). Current status: Synonym of Gila Baird & Girard 1853. Leuciscidae: Laviniinae.

Pseudaspius Dybowski [B. N.] 1869:953 Masc. Cyprinus leptocephalus Pallas 1776. Type by monotypy. •Valid as Pseudaspius Dybowski 1869 -- (Yang & Hwang 1964:34 [ref. 13497], Bogutskaya 1987:936 [ref. 13521], Bogutskaya & Naseka 1996:20 [ref. 22798], Bogutskaya 1998:69 [ref. 23589], Luo in Chen et al. 1998:92 [ref. 23878], Bogutskaya & Naseka 2004:96 [ref. 28183], Parin et al. 2014:86 [ref. 33547], Zhang et al. 2016:54 [ref. 34477], Dyldin & Orlov 2016:662 [ref. 34853], Sakai et al. 2020:[4] [ref. 37278]). Current status: Valid as Pseudaspius Dybowski 1869. Leuciscidae: Pseudaspininae.

Pseudochondrostoma Robalo [J. I.], Almada [V. C.], Levy [A.] & Doadrio [I.] 2007:370 Neut. Chondrostoma polylepis Steindachner 1864. Type by original designation. •Valid as Pseudochondrostoma Robalo, Almada, Levy & Doadrio 2007 -- (Doadrio & Elvira 2007:296 [ref. 29510], Kottelat & Freyhof 2007:150, 232 [ref. 29996], Perea et al. 2010:4, 15 [ref. 31802]). Current status: Valid as Pseudochondrostoma Robalo, Almada, Levy & Doadrio 2007. Leuciscidae: Leuciscinae.

Pseudophoxinus Bleeker [P.] 1860:431 Masc. Phoxinellus zeregi Heckel 1843. Type by subsequent monotypy. Apparently appeared first in key, without included species. One species included by Bleeker 1860:281, 395 [ref. 380]; type by subsequent monotypy (see Trewavas 1972:359 [ref. 23001]). •Valid as Pseudophoxinus Bleeker 1860 -- (Lévêque & Daget 1984:331 [ref. 6186], Krupp & Schneider 1989:375 [ref. 13651], but see Coad 1981:2062 [ref. 5572], Bogutskaya 1992:264 [ref. 22066], Bogutskaya 1993:96 [ref. 21229], Poll & Gosse 1995:169 [ref. 24781], Bogutskaya 1996:42 [ref. 22945], Bănărescu 1997:26 [ref. 23274], Zupancic & Bogutskaya 2000:68 [ref. 25145], Bogutskaya & Zupancic 2003:369 [ref. 27407], Hrbek et al. 2004:304 [ref. 27955], Freyhof & Özuluğ 2006:255 [ref. 28846], Küçük 2007:1 [ref. 29115], Freyhof & Özuluğ 2010:309 [ref. 30686], Freyhof & Özuluğ 2010:325 [ref. 30688], Freyhof & Özuluğ 2010:239 [ref. 31039], Perea et al. 2010:3, 14, 15 [ref. 31802], Sasi 2011:238 [ref. 31703], Küçük et al. 2013:29 [ref. 32816], Küçük & Güçlü 2014:57 [ref. 33321], Ekmekçi et al. 2015:117 [ref. 34001], Küçük et al. 2016:283 [ref. 34910], Bariche & Freyhof 2016:203 [ref. 34934], Çiçek et al. 2018:11 [ref. 36267], Saç et al. 2019:105 [ref. 36976]). Current status: Valid as Pseudophoxinus Bleeker 1860. Leuciscidae: Leuciscinae.

Pteronotropis (subgenus of Erogala) Fowler [H. W.] 1935:15 Masc. Alburnus formosus Putnam 1863. Type by original designation (also monotypic). Type species preoccupied in Notropis by Moniana formosa Girard 1856; same as Leuciscus hypselopterus Günther 1868. •Synonym of Notropis Rafinesque 1818, but a valid subgenus Pteronotropis as described -- (Gilbert 1978:16 [ref. 7042], Suttkus & Mettee 2001:6 [ref. 25253]). •Valid as Pteronotropis Fowler 1935 -- (Mayden 1989:30 [ref. 12555], Gilbert 1998:19 [ref. 23395], Simons et al. 2000:1068 [ref. 25101], Mayden et al. 2007:81 [ref. 36566], Mayden & Allen 2015:[1] [ref. 34137], Stout et al. 2022:9 [ref. 39738]). Current status: Valid as Pteronotropis Fowler 1935. Leuciscidae: Pogonichthyinae.

Ptychocheilus Agassiz [L.] 1855:227 Masc. Ptychocheilus gracilis Agassiz & Pickering 1855. Type by original designation. Type generally regarded as designated by Jordan & Gilbert 1877:90 [ref. 4907], but Agassiz (p. 229) says, "The predatory habits of the type of this genus...[gracilis]." Spelled Ptychochilus by Gill 1865:70 [ref. 12243]. •Valid as Ptychocheilus Agassiz 1855 -- (Mayden et al. 1991 [ref. 19123], Gilbert 1998:19 [ref. 23395], Simons & Mayden 1998:313 [ref. 25587], Minckley & Marsh 2009:161 [ref. 31114]). Current status: Valid as Ptychocheilus Agassiz 1855. Leuciscidae: Laviniinae.

Relictus Hubbs [C. L.] & Miller [R. R.] 1972:101 Masc. Relictus solitarius Hubbs & Miller 1972. Type by original designation (also monotypic). •Valid as Relictus Hubbs & Miller 1972 -- (Hubbs et al. 1974:180 [ref. 14477], Gilbert 1998:19 [ref. 23395], Simons & Mayden 1998:313 [ref. 25587]). Current status: Valid as Relictus Hubbs & Miller 1972. Leuciscidae: Laviniinae.

Rhinichthys Agassiz [L.] 1849:81 Masc. Cyprinus atronasus Mitchill 1815. Type by subsequent designation. Appeared in more detail in Agassiz 1850:353 [ref. 66]. Type designated by Jordan & Gilbert 1877:89 [ref. 4907]. •Valid as Rhinichthys Agassiz 1849 -- (Peden & Hughes 1988 [ref. 12855], Jenkins & Burkhead 1994:293 [ref. 21581], Simons & Mayden 1997:187 [ref. 24948], Gilbert 1998:19 [ref. 23395], Simons & Mayden 1998:313 [ref. 25587], Simons & Mayden 1999:16 [ref. 23700], Minckley & Marsh 2009:166 [ref. 31114], Kraczkowski & Chernoff 2014:325 [ref. 34840], Hoekzema & Sidlauskas 2014:238 [ref. 35451], Moyle et al. 2023:501 [ref. 40044]). Current status: Valid as Rhinichthys Agassiz 1849. Leuciscidae: Pogonichthyinae.

Rhodopleuriscus Fowler [H. W.] 1944:52 Masc. Leuciscus vandoisulus Valenciennes 1844. Type by original designation (also monotypic). •Synonym of Clinostomus Girard 1856 -- (see Lachner & Deubler 1960:358 [ref. 21967], Gilbert 1998:19 [ref. 23395]). Current status: Synonym of Clinostomus Girard 1856. Leuciscidae: Pogonichthyinae.

Rhynchocypris Günther [A.] 1889:225 Fem. Rhynchocypris variegata Günther 1889. Type by monotypy. •Synonym of Phoxinus (with author as Agassiz 1835) -- (Luo in Chen et al. 1998:75 [ref. 23878]). •Synonym of Phoxinus Rafinesque 1820 -- (Bogutskaya & Naseka 2004:93 [ref. 28183]). •Valid as Rhynchocypris Günther 1889 -- (Howes 1985:60 [ref. 5274], Travers 1989:198 [ref. 13578], Kottelat 2006:47 [ref. 28831], Parin et al. 2014:88 [ref. 33547], Zhang et al. 2016:54 [ref. 34477], Dyldin & Orlov 2016:663 [ref. 34853], Lee & Sim 2017:1 [ref. 35390], Sakai et al. 2020:[3] [ref. 37278]). Current status: Valid as Rhynchocypris Günther 1889. Leuciscidae: Pseudaspininae.

Richardsonius Girard [C. F.] 1856:201 Masc. Cyprinus (Abramis) balteatus Richardson 1837. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:91 [ref. 4907]. •Valid as Richardsonius Girard 1856 -- (Gold 1994:815 [ref. 22426], Gilbert 1998:19 [ref. 23395], Simons & Mayden 1999:16 [ref. 23700], Minckley & Marsh 2009:187 [ref. 31114]). Current status: Valid as Richardsonius Girard 1856. Leuciscidae: Pogonichthyinae.

Rubellus Fitzinger [L. J. F. J.] 1873:152, 162 Masc. Cyprinus rutilus Linnaeus 1758. Type by subsequent designation. Two included species (p. 152); earliest type designation found that of Jordan 1919:369 [ref. 4904]. •Objective synonym of Rutilus Rafinesque 1820 -- (Howes 1981:46 [ref. 14200]). Current status: Synonym of Rutilus Rafinesque 1820. Leuciscidae: Leuciscinae.

Rutilus Rafinesque [C. S.] 1820:240 Masc. Cyprinus rutilus Linnaeus 1758. Type by original designation (also by absolute tautonymy). Also appeared in Rafinesque 1820:50 (Dec.) [ref. 3592]. •Valid as Rutilus Rafinesque 1820 -- (Yang & Hwang 1964:12 [ref. 13497], Howes 1981:45 [ref. 14200], Bianco & Taraborelli 1985 [ref. 21914], Bogutskaya 1987:936 [ref. 13521], Bogutskaya 1998:69 [ref. 23589], Luo in Chen et al. 1998:89 [ref. 23878], Hänfling & Brandl 2000:267 [ref. 25144], Sideleva 2003:8 [ref. 27815], Bogutskaya & Naseka 2004:86 [ref. 28183], Bogutskaya & Iliadou 2006:294 [ref. 28494], Allen et al. 2006:347 [ref. 29004], Kottelat & Freyhof 2007:154, 236 [ref. 29996], Marić & Radujković 2009:139 [ref. 31438], Marić 2010:153 [ref. 31525], Perea et al. 2010:15 [ref. 31802], Milosević et al. 2011:1094 [ref. 31524], Bianco & Ketmaier 2014:379 [ref. 33417], Parin et al. 2014:90 [ref. 33547], Jouladeh-Roudbar et al. 2015:879 [ref. 34062], Zhang et al. 2016:55 [ref. 34477], Levin et al. 2017:33 [ref. 35061], Esmaeili et al. 2017:55 [ref. 35254], Esmaeili et al. 2018:35 [ref. 36089]). Current status: Valid as Rutilus Rafinesque 1820. Leuciscidae: Leuciscinae.

Sapa Kazanskii [V. I.] 1928:16 Fem. Cyprinus sapa Pallas 1814. Original not examined; from Berg 1949:768 [ref. 12882]. •Synonym of Abramis Cuvier 1816 -- (Berg 1948:768 [ref. 12882]). Current status: Synonym of Abramis Cuvier 1816. Leuciscidae: Leuciscinae.

Sarcidium Cope [E. D.] 1871:440 Neut. Sarcidium scopiferum Cope 1871. Type by monotypy. •Synonym of Phenacobius Cope 1867 -- (Gilbert 1998:19 [ref. 23395]). Current status: Synonym of Phenacobius Cope 1867. Leuciscidae: Pogonichthyinae.

Sarmarutilus Bianco [P. G.] & Ketmaier [V.] 2014:392 Masc. Leuciscus rubilio Bonaparte 1837. Type by original designation (also monotypic). •Valid as Sarmarutilus Bianco & Ketmaier 2014. Current status: Valid as Sarmarutilus Bianco & Ketmaier 2014. Leuciscidae: Leuciscinae.

Scardiniopsis Jäckel [A. J.] 1864:64 Fem. Scardiniopsis anceps Jäckel 1864. Type by monotypy. Described from a species thought to be a hybrid: Rutilus rutilus x Scardinius erythrophthalmus; therefore not available. •Invalid, based on an intergeneric hybrid. Leuciscidae: Leuciscinae.

Scardinius (subgenus of Leuciscus) Bonaparte [C. L.] 1837:puntata 96 Masc. Leuciscus scardafa Bonaparte 1837. Type by original designation. Apparently appeared first in puntata 96, fasc. 19 under Leuciscus scardafa [species misspelled once as scarpata]. •Synonym of Rutilus Rafinesque 1820 -- (Howes 1981:45 [ref. 14200]). •Valid as Scardinius Bonaparte 1837 -- (Bogutskaya 1987:936 [ref. 13521], Bogutskaya 1998:71 [ref. 23589], Hänfling & Brandl 2000:267 [ref. 25144], Ketmaier et al. 2004:1061 [ref. 27950], Bogutskaya & Naseka 2004:88 [ref. 28183], Bianco & Kottelat 2005:231 [ref. 29332], Kottelat & Freyhof 2007:154, 250 [ref. 29996], Perea et al. 2010:3 [ref. 31802], Parin et al. 2014:90 [ref. 33547], Jouladeh-Roudbar et al. 2015:879 [ref. 34062], McDowall & Stewart 2015:318 [ref. 34241], Karataş et al. 2016:127 [ref. 34987], Esmaeili et al. 2017:56 [ref. 35254], Çiçek et al. 2018:14 [ref. 36267], Esmaeili et al. 2018:36 [ref. 36089], Fricke et al. 2018:59 [ref. 35805]). Current status: Valid as Scardinius Bonaparte 1837. Leuciscidae: Leuciscinae.

Semotilus Rafinesque [C. S.] 1820:239 Masc. Semotilus dorsalis Rafinesque 1820. Type by subsequent designation. Also in Rafinesque 1820:49 (Dec.) [ref. 3592]. Bleeker 1863:211 [ref. 397] and 1863:32 [ref. 4859] wrongly designated L. pulchellus Girard [not an included species] as type under genus but designated S. dorsalis under the subgenus Semotilus; Bleeker 1863:264 [ref. 403] designated dorsalis as type. •Valid as Semotilus Rafinesque 1820 -- (Jenkins & Burkhead 1994:306 [ref. 21581], Simons & Mayden 1997:187 [ref. 24948], Gilbert 1998:19 [ref. 23395]). Current status: Valid as Semotilus Rafinesque 1820. Leuciscidae: Plagopterinae.

Siboma Girard [C. F.] 1856:209 Fem. Lavinia crassicauda Baird & Girard 1854. Type by subsequent designation. Type designated by Bleeker 1863:29 [ref. 4859] and 1863:205 [ref. 397]. •Synonym of Gila Baird & Girard 1853 -- (Gilbert 1998:19 [ref. 23395]). Current status: Synonym of Gila Baird & Girard 1853. Leuciscidae: Laviniinae.

Siphateles Cope [E. D.] 1883:146 Masc. Siphateles vittatus Cope 1883. Type by monotypy. •Valid as Siphateles Cope 1883 -- (Simons & Mayden 1998:313 [ref. 25587]). •Synonym of Gila Baird & Girard 1853 -- (Gilbert 1998:19 [ref. 23395]). Current status: Valid as Siphateles Cope 1883. Leuciscidae: Laviniinae.

Snyderichthys Miller [R. R.] 1945:28 Masc. Squalius copei Jordan & Gilbert 1881. Type by original designation (also monotypic). •Synonym of Gila Baird & Girard 1853 -- (Gilbert 1998:19 [ref. 23395]). •Synonym of Gila Baird & Girard 1853, but a valid subgenus Snyderichthys -- (authors). •Valid as Snyderichthys Miller 1945 -- (Simons & Mayden 1997:187 [ref. 24948], Simons & Mayden 1998:313 [ref. 25587], Dowling et al. 2002:665 [ref. 26230]). •Synonym of Lepidomeda Cope 1874 based on placement of the type species. Current status: Synonym of Lepidomeda Cope 1874. Leuciscidae: Plagopterinae.

Spinicephalus Lesueur [C. A.] in Vaillant 1896:29 Masc. Spinicephalus fibulatus Lesueur 1896. Type by monotypy. •Synonym of Pimephales Rafinesque 1820 -- (Gilbert 1998:19 [ref. 23395]). Current status: Synonym of Pimephales Rafinesque 1820. Leuciscidae: Pogonichthyinae.

Spinophoxinellus (subgenus of Phoxinellus) Karaman [M. S.] 1972:120 Masc. Acanthorutilus anatolicus Hankó 1925. Type by monotypy in subgenus. •Synonym of Pseudophoxinus Bleeker 1860 -- (Bănărescu 1997:27 [ref. 23274]). Current status: Synonym of Pseudophoxinus Bleeker 1860. Leuciscidae: Leuciscinae.

Spirlinus Fatio [V.] 1882:389 Masc. Cyprinus bipunctatus Bloch 1782. Type by monotypy. Misspelled Spirlingus by Jordan 1920:450 [ref. 4905]. •Synonym of Alburnoides Jeitteles 1861. Current status: Synonym of Alburnoides Jeitteles 1861. Leuciscidae: Leuciscinae.

Squalalburnus Berg [L. S.] 1932:482 Masc. Alburnoides oblongus Bulgakov 1923. Type by original designation. •Synonym of Alburnoides Jeitteles 1861 -- (Bănărescu 1997:27 [ref. 23274]). Current status: Synonym of Alburnoides Jeitteles 1861. Leuciscidae: Leuciscinae.

Squalioscardinus Kolombatović [G.] 1907:6 Masc. Proposed for a specimen intermediate between Scardinus erythrophthalmus and Squalius illyricus (see p. 5). According to Fowler (MS), name is based on a hybrid between them. No species named by Kolombatović; apparently not available for lack of subsequent addition of species. •Invalid, based on an intergeneric hybrid. Leuciscidae: Leuciscinae.

Squalius (subgenus of Leuciscus) Bonaparte [C. L.] 1837:fasc. 19 Masc. Leuciscus squalus Bonaparte 1837. Type by subsequent designation. Occurred in puntata 96, fasc. 19 under Leuciscus squalus and two additional species; also in later fascicles. Type evidently designated first by Jordan 1919:187 [ref. 2410]. •Valid as Squalius Bonaparte 1837 -- (Sanjur et al. 2003:20 [ref. 28742], Bogutskaya & Naseka 2004:88 [ref. 28183], Doadrio & Carmona 2006:199 [ref. 28975], Doadrio et al. 2007:89 [ref. 29250], Doadrio et al. 2007:247 [ref. 29342], Kottelat & Freyhof 2007:154, 257 [ref. 29996], Turan et al. 2009:53 [ref. 30540], Bogutskaya & Zupančič 2010:53 [ref. 30905], Coad 2010:193 [ref. 36620], Perea et al. 2010:3, 14 [ref. 31802], Zupančič et al. 2010:155 [ref. 31002], Özuluğ & Freyhof 2011:107 [ref. 31360], Shinohara et al. 2011:38 [ref. 31715], Parin et al. 2014:94 [ref. 33547], Jouladeh-Roudbar et al. 2015:880 [ref. 34062], Khaefi et al. 2016:145 [ref. 34748], Esmaeili et al. 2016:118 [ref. 34985], Turan et al. 2017:1 [ref. 35136], Esmaeili et al. 2017:57 [ref. 35254], Çiçek et al. 2018:14 [ref. 36267], Esmaeili et al. 2018:38 [ref. 36089], Buj et al. 2019:[1] [ref. 37174], Perea et al. 2020:[6] [ref. 37489], Turan 2022:336 [ref. 39758], Doadrio et al. 2023:1 [ref. 40705]). Current status: Valid as Squalius Bonaparte 1837. Leuciscidae: Leuciscinae.

Stilbe DeKay [J. E.] 1842:204 Fem. Cyprinus crysoleucas Mitchill 1814. Type by monotypy. •Synonym of Notemigonus Rafinesque 1819 -- (Gilbert 1998:19 [ref. 23395]). Current status: Synonym of Notemigonus Rafinesque 1819. Leuciscidae: Leuciscinae.

Stilbius Gill [T. N.] 1865:260 Masc. Cyprinus crysoleucas Mitchill 1814. Type by being a replacement name. Text unclear, but apparently proposed as a replacement for Stilbe DeKay 1842, used in Botany [but not thereby preoccupied in Zoology]; type not C. americanus. •Synonym of Notemigonus Rafinesque 1819 -- (Gilbert 1998:19 [ref. 23395]). Current status: Synonym of Notemigonus Rafinesque 1819. Leuciscidae: Leuciscinae.

Stypodon Garman [S.] 1881:90 Masc. Stypodon signifer Garman 1881. Type by monotypy. •Valid as Stypodon Garman 1881 -- (Gilbert 1998:19 [ref. 23395]). Current status: Valid as Stypodon Garman 1881. Leuciscidae: Pogonichthyinae.

Symmetrurus Jordan [D. S.] 1878:788 Masc. Pogonichthys argyreiosus Girard 1854. Type by original designation (also monotypic). Type designated in footnote. •Synonym of Pogonichthys Girard 1854 -- (Gilbert 1998:19 [ref. 23395]). Current status: Synonym of Pogonichthys Girard 1854. Leuciscidae: Pogonichthyinae.

Tampichthys Schönhuth [S.], Doadrio [I.], Dominguez-Dominguez [O.], Hillis [D. H.] & Mayden [R. L.] 2008:744 Masc. Notropis rasconis Jordan & Snyder 1899. Type by original designation. •Valid as Tampichthys Schönhuth, Doadrio, Dominguez-Dominguez, Hillis & Mayden 2008 -- (Scharpf 2008:3 [ref. 30399]). Current status: Valid as Tampichthys Schönhuth, Doadrio, Dominguez-Dominguez, Hillis & Mayden 2008. Leuciscidae: Pogonichthyinae.

Telestes (subgenus of Leuciscus) Bonaparte [C. L.] 1840:puntata 146 Masc. Leuciscus muticellus Bonaparte 1837. Type by original designation. Apparently appeared first in puntata 146, fasc. 27 under Telestes savigny. •Synonym of Leuciscus Cuvier 1816, but a valid subgenus Telestes as described -- (Bănărescu 1997:28 [ref. 23274]). •Valid as Telestes Bonaparte 1840 -- (Ketmaier et al. 1998:46 [ref. 23809], Ketmaier et al. 2004:1061 [ref. 27950], Freyhof et al. 2006:418 [ref. 28484], Kottelat & Freyhof 2007:154, 281 [ref. 29996], Perea et al. 2010:4, 15 [ref. 31802], Marchetto et al. 2010:2 [ref. 31838], Marčić et al. 2011:418 [ref. 31443], Bogutskaya et al. 2012:54 [ref. 32007]). Current status: Valid as Telestes Bonaparte 1840. Leuciscidae: Leuciscinae.

Temeculina (subgenus of Richardsonius) Cockerell [T. D. A.] 1909:216 Fem. Phoxinus (Tigoma) orcuttii Eigenmann & Eigenmann 1890. Type by monotypy. •Synonym of Gila Baird & Girard 1853 -- (Gilbert 1998:19 [ref. 23395], Schönhuth et al. 2014:214 [ref. 38034]). Current status: Synonym of Gila Baird & Girard 1853. Leuciscidae: Laviniinae.

Tiaroga Girard [C. F.] 1856:204 Fem. Tiaroga cobitis Girard 1856. Type by monotypy. •Synonym of Rhinichthys Agassiz 1849 -- (Gilbert 1998:19 [ref. 23395]). •Valid as Tiaroga Girard 1856 -- (Simons & Mayden 1999:16 [ref. 23700], Minckley & Marsh 2009:172 [ref. 31114]). Current status: Valid as Tiaroga Girard 1856. Leuciscidae: Pogonichthyinae.

Tigoma Girard [C. F.] 1856:205 Fem. Gila pulchella Baird & Girard 1854. Type by subsequent designation. Type designated by Jordan & Gilbert 1877:91 [ref. 4907]. •Synonym of Gila Baird & Girard 1853 -- (Gilbert 1998:19 [ref. 23395]). Current status: Synonym of Gila Baird & Girard 1853. Leuciscidae: Laviniinae.

Tirodon Hay [O. P.] 1882:68 Masc. Tirodon amnigenus Hay 1882. Type by monotypy. •Synonym of Hybognathus Agassiz 1855 -- (Gilbert 1998:20 [ref. 23395]). Current status: Synonym of Hybognathus Agassiz 1855. Leuciscidae: Pogonichthyinae.

Trachybrama Bleeker [P.] 1863:210 Fem. Acanthobrama marmid Heckel 1843. Not available, name published in synonymy of Acanthobrama Heckel; apparently never made available. •In the synonymy of Acanthobrama Heckel 1843. Current status: Synonym of Acanthobrama Heckel 1843. Leuciscidae: Leuciscinae.

Tribolodon Sauvage [H.-E.] 1883:149 Masc. Tribolodon punctatus Sauvage 1883. Type by monotypy. •Valid as Tribolodon Sauvage 1883 -- (Sawada in Masuda et al. 1984:56 [ref. 6441], Bogutskaya 1987:936 [ref. 13521], Sakai et al. 1991 [ref. 20444], Bogutskaya 1998:72 [ref. 23589], Luo in Chen et al. 1998:72 [ref. 23878], Doi & Shinzawa 2000:241 [ref. 25251], Sakai et al. 2002:1291 [ref. 26628], Bogutskaya & Naseka 2004:97 [ref. 28183], Parin et al. 2014:96 [ref. 33547], Zhang et al. 2016:56 [ref. 34477], Dyldin & Orlov 2016:666 [ref. 34853]). •Synonym of Pseudaspius Dybowski 1869 -- (Sakai et al. 2020:[4] [ref. 37278]). Current status: Synonym of Pseudaspius Dybowski 1869. Leuciscidae: Pseudaspininae.

Tropidophoxinellus Stephanidis [A.] 1974:245 Masc. Rutilus spartiaticus Stephanidis 1971. Type by original designation. •Valid as Tropidophoxinellus Stephanidis 1974 -- (Kottelat 1997:85 [ref. 22952], Bănărescu 1997:28 [ref. 23274], Kottelat & Freyhof 2007:150 [ref. 29996], Perea et al. 2010:3, 14 [ref. 31802]). Current status: Valid as Tropidophoxinellus Stephanidis 1974. Leuciscidae: Leuciscinae.

Trycherodon Forbes [S. A.] in Jordan & Gilbert 1883:247 Masc. Trycherodon megalops Forbes 1883. Type by original designation (also monotypic). •Synonym of Notropis Rafinesque 1818, subgenus Opsopoeodus Hay 1881 -- (Gilbert & Bailey 1972:3 [ref. 7153], Gilbert 1978:16 [ref. 7042]). •Synonym of Opsopoeodus Hay 1881 -- (Gilbert 1998:20 [ref. 23395]). Current status: Synonym of Opsopoeodus Hay 1881. Leuciscidae: Pogonichthyinae.

Turcichondrostoma Turan [D.], Küçük [F.], Güçlü [S. S.] & Aksu [I.] 2021:4 [1971] Neut. Phoxinellus fahirae Ladiges 1960. Type by original designation. •Valid as Turcichondrostoma Turan, Küçük, Güçlü & Aksu 2021. Current status: Valid as Turcichondrostoma Turan, Küçük, Güçlü & Aksu 2021. Leuciscidae: Leuciscinae.

Vimba Fitzinger [L. J. F. J.] 1873:152, 159 Fem. Cyprinus vimba Linnaeus 1758. Type by absolute tautonymy, two included species, one vimba. •Synonym of Abramis Cuvier 1816 -- (Howes 1981:46 [ref. 14200], Parin et al. 2014:63 [ref. 33547]). •Valid as Vimba Fitsinger 1873 -- (Bogutskaya 1987:936 [ref. 13521], Uiblein & Winkler 1994 [ref. 21823], Bogutskaya 1998:73 [ref. 23589], Hänfling & Brandl 2000:267 [ref. 25144], Kottelat & Freyhof 2007:151 [ref. 29996], Bogutskaya & Naseka 2004:89 [ref. 28183], Perea et al. 2010:4, 15 [ref. 31802], Jouladeh-Roudbar et al. 2015:881 [ref. 34062], Esmaeili et al. 2017:59 [ref. 35254], Çiçek et al. 2018:16 [ref. 36267], Esmaeili et al. 2018:40 [ref. 36089]). Current status: Valid as Vimba Fitzinger 1873. Leuciscidae: Leuciscinae.

Xystrosus Jordan [D. S.] & Snyder [J. O.] 1899:123 Masc. Xystrosus popoche Jordan & Snyder 1899. Type by original designation (also monotypic). •Synonym of Algansea Girard 1856 -- (Barbour & Miller 1978:8 [ref. 7033], Gilbert 1998:20 [ref. 23395]). Current status: Synonym of Algansea Girard 1856. Leuciscidae: Pogonichthyinae.

Yuriria (subgenus of Hybopsis) Jordan [D. S.] & Evermann [B. W.] 1896:314, 315, 321 Fem. Hudsonius altus Jordan 1880. Type by original designation (also monotypic). •Valid as Yuriria Jordan & Evermann 1896 -- (Gilbert 1998:20 [ref. 23395], Domínguez-Domínguez et al. 2007:260 [ref. 29756], Mayden et al. 2007:83 [ref. 36566]). Current status: Valid as Yuriria Jordan & Evermann 1896. Leuciscidae: Pogonichthyinae.

Zopa Fitzinger [L. J. F. J.] 1873:152, 158 Fem. Cyprinus sapa Pallas 1814. Type by subsequent designation. Two included species "(Abr. Ballerus und Sapa)"; type apparently first designated by Jordan 1919:368 [ref. 4904] as sopa. Howes lists Sapa Kasansky 1928 in the synonymy of Abramis [not investigated]. •Synonym of Abramis Cuvier 1816 -- (Howes 1981:46 [ref. 14200]). Current status: Synonym of Abramis Cuvier 1816. Leuciscidae: Leuciscinae.

Zophendum Jordan [D. S.] 1878:786 Neut. Hyborhynchus siderius Cope 1875. Type by original designation (also monotypic). •Synonym of Agosia Girard 1856 -- (Gilbert 1998:20 [ref. 23395]). Current status: Synonym of Agosia Girard 1856. Leuciscidae: Pogonichthyinae.