| catostomus clarkii | | USA: UT, Virgin R, Virgin Sub-basin, Lower Colorado Basin | | 595582509 |
| catostomus clarkii | | USA: UT, Virgin R, Virgin Sub-basin, Lower Colorado Basin | | 595582662 |
| catostomus clarkii | | USA: UT, Virgin R, Virgin Sub-basin, Lower Colorado Basin | | 595582841 |
| catostomus clarkii | | USA: UT, Virgin R, Virgin Sub-basin, Lower Colorado Basin | | 595582993 |
| catostomus clarkii | | USA: UT, Virgin R, Virgin Sub-basin, Lower Colorado Basin | | 595583095 |
| catostomus clarkii | | USA: UT, Virgin R, Virgin Sub-basin, Lower Colorado Basin | | 595583197 |