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 Endeostigmata Grandjean, 1937 see Suborder Endeostigmata Grandjean, 1937
                       1 Family Alicorhagiidae Grandjean, 1939
                       2 Family Bimichaelidae Womersley, 1944 see Family Bimichaeliidae Womersley, 1944
                       3 Family Grandjeanicidae Kethley, 1977
                       4 ?Family Lordalychidae "Grandjean, 1939", orth. inval. see Family Lordalycidae Grandjean, 1939
                       5 Family Nanorchestidae Grandjean, 1937
                       6 Family Oehserchestidae Kethley, 1977
                       7 ?Family Sphaerolichidae Grandjean, 1939
                       8 Family Terpnacaridae Grandjean, 1939