Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Pisces Class Actinopterygii Woodward, 1891 - ray-finned fishes Order Cypriniformes Rafinesque, 1810 - carps Family Balitoridae Swainson, 1839 - hillstream and river loaches Family Catostomidae - suckers Family Cobitidae Swainson, 1839 - loaches Family Cyprinidae Rafinesque, 1815 - minnows and carps Family Gyrinocheilidae - algae eaters Family Psilorhynchidae