-
?Cottus acadian Walbaum, 1792
-
Cottus aleuticus Gilbert, 1896
- Cottus protrusus Schultz & Spoor, 1933; (synonym)
-
?Cottus alvordii Girard, 1851
-
Cottus amblystomopsis Schmidt, 1904
- Cephalocottus amblystomopsis Gratzianov, 1907; (valid as)
- Cottus nozawae Snyder, 1911; (synonym)
- Cottus emeljanovi Lindberg, 1927; (synonym)
-
Cottus asper Richardson (ex Gairdner), 1836
- Trachidermus richardsonii Heckel, 1837; (synonym)
- Trachidermus richardsonii Heckel, 1837; (unneeded replacement)
- Cottopsis asper Girard, 1850; (valid as)
- Cottopsis parvus Girard, 1854; (synonym)
-
Cottus asperrimus Lee et al., 1980
- Cottus asperrima Rutter, 1908; (valid as)
-
Cottus baileyi Robins, 1961
-
Cottus bairdii Girard, 1850
- Pegedictis ictalops Rafinesque, 1820; (synonym)
- Cottus richardsoni Agassiz, 1850; (synonym)
- Cottopsis semiscaber Cope, 1872; (synonym)
- Uranidea kumlieni Hoy, 1876; (synonym)
- Cottus hubbsi Bailey & Dimick, 1949; (synonym)
- Cottus bairdi Boschung, 1992; (misspelling)
-
Cottus beldingii Eigenmann & Eigenmann, 1891
- Cottus annae Jordan & Starks, 1896; (synonym)
- Cottus tubulatus Hubbs & Schultz, 1932; (synonym)
-
?Cottus boleoides Girard, 1850
-
Cottus carolinae Lee et al., 1980
- Potamocottus carolinae Gill, 1861; (valid as)
- Potamocottus zopherus Jordan, 1877; (synonym)
- Cottus carolinae infernatis Williams & Robins, 1970; (synonym)
-
?Cottus chaetodon Bloch & Schneider, 1801
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Cottus chaka
- Cottus chaka Hamilton, 1839; (unavailable, no features)
-
Cottus cognatus Richardson, 1836
- Cottus cognatus gracilis; (synonym)
- Cottus cottus gracilis; (synonym)
- Cottus gracilis Heckel, 1837; (synonym)
- Cottus viscosus Haldeman, 1840; (synonym)
- Uranidea quiescens DeKay, 1842; (synonym)
- Cottus franklini Agassiz, 1850; (synonym)
- Cottus meridionalis Girard, 1850; (synonym)
- Cottus formosus Girard, 1851; (synonym)
- Cottus copei Abbott, 1860; (synonym)
- Uranidea spilota Cope, 1865; (synonym)
- Uranidea hoyi Putnam, 1876; (synonym)
- Tauridea spilota Jordan & Rice, 1878; (synonym)
- Uranidea microstoma Lockington, 1880; (2 homonym)
- Cottus gracilis cayuga Meek, 1889; (synonym)
- Cottus philonips Eigenmann & Eigenmann, 1892; (synonym)
- Cottus chamberlaini Evermann & Goldsborough, 1907; (synonym)
- Cottus kaganowskii Berg, 1932; (synonym)
- Uranidea gracilis Scott & Crossman, 1973; (synonym)
-
Cottus confusus Bailey & Bond, 1963
-
?Cottus criniger Gìnther, 1860
-
Cottus czerskii Berg, 1913
- Cottus paltschevskii Schmidt, 1916; (synonym)
- Pegedictis paltschevskii Schmidt, 1916; (synonym)
-
Cottus dracunculus
- Cottus dracunculus Forssk¥l, 1775; (unavailable, no features)
-
?Cottus dybowskii Hilgendorf, 1879
-
Cottus echinatus Bailey & Bond, 1963
-
Cottus extensus Bailey & Bond, 1963
-
?Cottus fabricii Girard, 1850
-
?Cottus filamentosus Sauvage, 1875
-
?Cottus gigas Kner, 1864
-
Cottus girardi Robins, 1961
-
?Cottus glaber Schæpf, 1788
-
?Cottus glacialis Richardson, 1855
-
Cottus gobio Linnaeus, 1758
- Cottus affinis Heckel, 1837; (synonym)
- Cottus microstomus Heckel, 1837; (synonym)
- Cottus ferrugineus Heckel & Kner, 1858; (synonym)
- Cottus gobio var. macrostomus Jeitteles, 1863; (1 homonym)
- Cottus gobio var. macrostomus Jeitteles, 1863; (unavailable, in synonymy)
- Cottus gobio var. macrostomus Jeitteles, 1863; (unavailable, infrasubspecific)
- Cottus koshewnikowi Gratzianov, 1907; (synonym)
- Cottus gobio jaxartensis Berg, 1916; (synonym)
- Cottus gobio milvensis Soldatov, 1924; (synonym)
- Cottus gobio var. roseus Odenwall, 1927; (synonym)
- Cottus gobio nat. pellegrini Vladykov, 1931; (unavailable, in synonymy)
- Cottus gobio nat. pellegrini Vladykov, 1931; (unavailable, infrasubspecific)
- Cottus gobio jaxartensis Berg, 1949; (synonym)
- Cottus gobio koshewnikowi Berg, 1949; (synonym)
- Cottus gobio hispaniolensis Bacescu & Bacescu-Mester, 1964; (synonym)
- Cottus gobio pellegrini Bacescu & Bacescu-Mester, 1964; (synonym)
- Cottus gobio haemusi Marinov & Dikov, 1986; (synonym)
-
?Cottus gobioides Girard, 1850
-
Cottus greenei Lee et al., 1980
- Uranidea greenei Gilbert & Culver, 1898; (valid as)
-
Cottus gulosus Lee et al., 1980
- Cottopsis gulosus Girard, 1854; (valid as)
- Cottus shasta Jordan & Starks, 1896; (synonym)
-
Cottus hangiongensis Mori, 1930
-
?Cottus hilgendorfii Dæderlein, 1884
-
?Cottus hispidus Bloch & Schneider, 1801
-
Cottus hypselurus Robins & Robison, 1985
-
Cottus japonicus
- Cottus japonicus Watanabe, 1960; (1 HOMONYM)
-
Cottus kazika Jordan & Starks, 1904
-
Cottus kesslerii Dybowski, 1874
- Cottus trigonocephalus Gratzianov, 1902; (synonym)
- Cottus kessleri var. nudus Dybowski, 1908; (unavailable, infrasubspecific)
- Cottus kessleri bauntovi Taliev, 1946; (synonym)
- Cottus kessleri Berg, 1949; (misspelling)
- Cottus kesslerii bauntovi Berg, 1949; (synonym)
- Leocottus kessleri lubricus Taliev, 1955; (synonym)
- Paracottus kessleri lubricus Taliev, 1955; (synonym)
- Paracottus kessleri arachlensis Tarchova, 1962; (synonym)
- Paracottus kessleri gussinensis Tarchova, 1962; (synonym)
- Cottus kesslerii arachlensis Sideleva, 1982
- Cottus kesslerii gussinensis Sideleva, 1982
-
Cottus klamathensis Gilbert, 1898
- Cottus klamathensis macrops authors; (valid, uncertain)
- Cottus macrops Rutter, 1908; (synonym)
- Cottus macrops Rutter, 1908; (valid, uncertain)
-
?C. k. polyporus Daniels & Moyle, 1984
-
Cottus latissimus
- Cottus latissimus Meuschen, 1778; (opinion 260)
-
Cottus leiopomus Gilbert & Evermann, 1894
-
Cottus marginatus Lee et al., 1980
- Uranidea marginata Bean, 1881; (valid as)
-
?Cottus marmoratus Valenciennes, 1832
-
?Cottus mitchilli Cuvier, 1829
-
Cottus nasalis Berg, 1933
-
?Cottus nigricans Lesueur, 1896
- Cottus nigricans Commerson, 1801; (opinion 89)
-
?Cottus ohmiensis Watanabe, 1960
-
?Cottus pachypus Gìnther, 1860
-
Cottus perplexus Gilbert & Evermann, 1894
-
Cottus petiti Bacescu & Bacescu-Mester, 1964
-
Cottus pitensis Bailey & Bond, 1963
-
Cottus poecilopus Heckel, 1837
- Cottus poecilopus var. macrostomus Jeitteles, 1862; (synonym)
- Cottus poecilopus var. microstomus Jeitteles, 1862; (1 homonym)
- Cottus poecilopus var. microstomus Jeitteles, 1862; (synonym)
- Cottus gobio var. microcephalus Kessler, 1868; (synonym)
- Cottus szanaga Dybowski, 1869; (synonym)
- Cottus poecilopus altaicus Kashchenko, 1899; (valid as)
- Cottus kuznetzovi Berg, 1903; (synonym)
- Cottus minutus volki Taranetz, 1933; (synonym)
- Cottus poecilopus volki Berg, 1949
-
Cottus pollux Gìnther, 1873
-
?Cottus porosus Valenciennes, 1832
-
Cottus princeps Gilbert, 1898
- Cottus evermanni Gilbert, 1898; (synonym)
-
Cottus pygmaeus
- Cottus pygmaeus Williams, 1968; (1 homonym)
-
Cottus reinii Hilgendorf, 1879
-
?Cottus retusifrons Gronow, 1854
-
Cottus rhotheus Lee et al., 1980
- Uranidea rhothea Smith, 1882; (valid as)
-
Cottus ricei Lee et al., 1980
- Cottopsis ricei Nelson, 1876; (valid as)
- Uranidea pollicaris Jordan & Gilbert, 1882; (synonym)
- Cottus onychus Eigenmann & Eigenmann, 1892; (synonym)
-
Cottus sibiricus Kessler, 1889
- Cottus sibiricus Kessler ex Warpachowsky, 1899
-
C. s. altaicus
- Cottus sibiricus altaicus Li & Ho, 1966; (1 HOMONYM)
-
?Cottus simus Hermann, 1804
-
?Cottus sinensis (Sauvage, 1873)
- Aspicottus sinensis Sauvage, 1873
- ?Cottus sinensis Sauvage, 1873
-
Cottus spinulosus Kessler, 1872
- Cottus spinulosus Yashchenko, 1896; (unavailable)
-
?Cottus stelleri Bloch & Schneider, 1801
-
Cottus tenuis Lee et al., 1980
- Uranidea tenuis Evermann & Meek, 1898; (valid as)
-
?Cottus tripterygius Bloch & Schneider, 1801
- Hemitripterus tripterygius Cuvier, 1829; (valid as)
-
Cottus variabilis
- Cottus variabilis Ayres, 1842; (unavailable, no features)
-
?Cottus ventralis Cuvier, 1829
- Cottus cephaloides Gray, 1829; (unavailable, in passing)
- Gymnocanthus ventralis Swainson, 1839; (valid as)
-
?Cottus vietleri Sauvage (ex Dybowski), 1878
-
?Cottus virginianus Cuvier (ex Willoughby), 1829
-
?Cottus wilsonii Girard, 1851