- 
?Rhinichthys arenatus Garman, 1881
 - 
Rhinichthys atratulus Lee et al., 1980
- Cyprinus atratulus  Hermann, 1804; (valid as)
 - Cyprinus atronasus  Mitchill, 1815; (synonym)
 - Cyprinus vittatus  Rafinesque, 1817; (synonym)
 - Argyreus atronasus  Heckel, 1843; (synonym)
 - Rhinichthys atronasus  Agassiz, 1849; (synonym)
 - Rhinichthys lunatus  Cope, 1865; (synonym)
 - Rhinichthys simus  Garman, 1881; (synonym)
 
 
 
- 
R. a. meleagris Lee et al., 1980
- Rhinichthys meleagris  Agassiz, 1854; (synonym)
 
 
 
 - 
R. a. obtusus Lee et al., 1980
- Rhinichthys obtusus  Agassiz, 1854; (synonym)
 
 
 
 
 - 
?Rhinichthys badius Garman, 1881
 - 
Rhinichthys bowersi Goldsborough & Clark, 1908
 - 
Rhinichthys cataractae Lee et al., 1980
- Gobio cataractae  Valenciennes, 1842; (valid as)
 - Leuciscus nasutus  Ayres, 1843; (synonym)
 - Rhinichthys marmoratus  Agassiz, 1850; (synonym)
 - Argyreus dulcis  Girard, 1856; (synonym)
 - Rhinichthys maxillosus  Cope, 1865; (synonym)
 
 
 
 - 
Rhinichthys cobitis Page & Burr, 1991
- Tiaroga cobitis  Girard, 1856; (valid as)
 
 
 
 - 
Rhinichthys deaconi Miller, 1984
 - 
Rhinichthys evermanni Snyder, 1908
 - 
Rhinichthys falcatus Lee et al., 1980
- Agosia falcata  Eigenmann & Eigenmann, 1893; (valid as)
 
 
 
 - 
?Rhinichthys henshavii Cope, 1874
 - 
?Rhinichthys lariversi Lugaski, 1972
 - 
?Rhinichthys luteus Garman, 1881
 - 
?Rhinichthys nevadensis (Gilbert, 1893)
- Apocope nevadensis  Gilbert, 1893
 - ?Rhinichthys nevadensis  Gilbert, 1893
 
 
 
 - 
?Rhinichthys ocella Garman, 1881
 - 
Rhinichthys osculus Lee et al., 1980
- Argyreus osculus  Girard, 1856; (valid as)
 - Apocope carringtonii  Cope, 1872; (synonym)
 - Apocope vulnerata  Cope, 1872; (synonym)
 - Tigoma rhinichthyoides  Cope, 1872; (synonym)
 - Agosia novemradiata  Cope, 1883; (synonym)
 
 
 
- 
?R. o. lethoporus Hubbs & Miller, 1972
 - 
?R. o. moapae Williams, 1978
 - 
?R. o. oligoporus Hubbs & Miller, 1972
 - 
?R. o. reliquus Hubbs & Miller, 1972
 - 
R. o. thermalis Kaya et al., 1992
- Apocope oscula thermalis  Hubbs & Kuhne, 1937; (synonym)
 
 
 
 - 
R. o. yarrowi Kaya et al., 1992
- Agosia yarrowi  Jordan & Evermann, 1891; (synonym)
 
 
 
 
 - 
?Rhinichthys transmontanus Cope, 1879
 - 
Rhinichthys umatilla Page & Burr, 1991
- Agosia umatilla  Gilbert & Evermann, 1894; (valid as)
 
 
 
 - 
?Rhinichthys velifer (Gilbert, 1893)
- Apocope velifer  Gilbert, 1893
 - ?Rhinichthys velifer  Gilbert, 1893