[Panarthropoda] Nielsen, 1995 - panarthropods
   Arthropoda Siebold, 1848 - arthropods see Phylum Arthropoda Siebold, 1848
     Chelicerata Heymons, 1901 see Superclass Chelicerata Heymons, 1901
       Euchelicerata Weygoldt & Paulus, 1979
         Arachnida Cuvier, 1812 see Class Arachnida Lamarck, 1801
           1.1 Acari: Acariformes Zakhvatkin, 1952 see Superorder Acariformes Zakhvatkin, 1952
           1.2 Palpigradi Thorell, 1888 see Order Palpigradi Thorell, 1888
           2.1.1 Opiliones Sundevall, 1833 - harvestmen see Order Opiliones Sundevall, 1833
           2.1.2.1 Acari: Parasitiformes Reuter, 1909 see Superorder Parasitiformes Reuter, 1909
           2.1.2.2 Pseudoscorpiones De Geer, 1778 see Order Pseudoscorpiones De Geer, 1778
           2.2.1.1 Solifugae Sundevall, 1833 see Order Solifugae Sundevall, 1833
           2.2.1.2 Ricinulei Thorell, 1876 - ricinuleids see Order Ricinulei Thorell, 1876
           2.2.2 Pulmonata