living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Mammalia Linnaeus, 1758 - mammals
               Subclass Theria Parker & Haswell, 1897
                 Infraclass Eutheria Gill, 1872
                   Order Carnivora Bowdich, 1821 - carnivores
                     Suborder Feliforma see Suborder Feliformia Kretzoi, 1945
                       Family Viverridae Gray, 1821 - civets, genets, linsangs, mongooses, and fossas
                         Subfamily Cryptoproctinae Gray, 1865 - fossa see Subfamily Euplerinae Chenu, 1850
                           Genus Cryptoprocta Bennett, 1833 - fossa
                             Cryptoprocta ferox Bennett, 1833 - fossa