Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Carnivora Bowdich, 1821 - carnivores
       Suborder Caniformia Kretzoi, 1943
         Family Mustelidae Batsch, 1788 - weasels, badgers, skunks, and otters
           Subfamily Lutrinae Bonaparte, 1838 - otters
             Genus Aonyx Lesson, 1827 - clawless otters
               Aonyx capensis (Schinz, 1821) - African clawless otter
                 1 [Aonyx capensis capensis] (Schinz, 1821)
                 2 Aonyx capensis congica Lönnberg, 1910
                 3 Aonyx capensis hindei (Thomas, 1905)
                 4 Aonyx capensis meneleki (Thomas, 1903)
                 5 Aonyx capensis microdon Pohle, 1920
                 6 Aonyx capensis philippsi Hinton, 1921