Class Mammalia Linnaeus, 1758 - mammals
   Order Carnivora Bowdich, 1821 - carnivores
     Family Herpestidae Bonaparte, 1845 - mongooses
       Subfamily Herpestinae Bonaparte, 1845 - mongooses
         Genus Crossarchus Cuvier, 1825 - cusimanses
           1 Crossarchus alexandri Thomas & Wroughton, 1907 - Alexander's kusimanse
           2 Crossarchus ansorgei Thomas, 1910 - Angolan kusimanse
           3 Crossarchus obscurus Cuvier, 1825 - common kusimanse