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 Arthropoda Siebold, 1848 - arthropods
           Subphylum Chelicerata Heymons, 1901
             Class Arachnida Lamarck, 1801
               Subclass Acari Leach, 1817 - mites and ticks
                 Order Acariformes Zakhvatkin, 1952 see Superorder Acariformes Zakhvatkin, 1952
                   Suborder Prostigmata Kramer, 1877
                     Cohort Eupodina see Infraorder Eupodina Krantz, 1978
                       Superfamily Halacaroidea Murray, 1877
                         Family Halacaridae Murray, 1877
                           01 Subfamily Rhombognathinae Viets, 1927
                           02 Subfamily Actacarinae Viets, 1939
                           03 Subfamily Simognathinae Viets, 1927
                           04 Subfamily Halacarinae Murray, 1877
                           05 Subfamily Porohalacarinae Viets, 1933
                           06 Subfamily Enterohalacarinae Viets, 1938
                           07 Subfamily Astacopsiphaginae Viets, 1931
                           08 Subfamily Halixodinae Viets, 1927
                           09 Subfamily Lohmannellinae Viets, 1927
                           10 Subfamily Limnohalacarinae Viets, 1927