Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Chordata Bateson, 1885 - chordates
     Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020]
       Order Cypriniformes Bleeker, 1859 - carps, loaches, minnows, and relatives
         Family Catostomidae Agassiz, 1850 - suckers
           Genus Catostomus Lesueur, 1817
             Catostomus conchos Meek, 1902 - Matalote Conchos see Catostomus bernardini Girard, 1856
             Catostomus leopoldi Siebert & Minckley, 1986 - Bavispe sucker
             Catostomus microps Rutter, 1908 - Modoc sucker
             Catostomus santaanae (Snyder, 1908) - Santa Ana sucker
             Catostomus snyderi Gilbert, 1898 - Klamath largescale sucker
             Catostomus warnerensis Snyder, 1908 - Warner sucker
             Catostomus wigginsi Herre & Brock, 1936 - Opata sucker