[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
     Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
       Phylum Arthropoda Siebold, 1848 - arthropods
         Subphylum Chelicerata Heymons, 1901
           Class Arachnida Lamarck, 1801
             Order Scorpionida Latreille, 1817 see Class Scorpionida Latreille, 1810
             2 Order Uropygi Thorell, 1882 - whip scorpions see [unranked] Uropygi Thorell, 1882
             3 Order Amblypygi Thorell, 1883 - whip spiders
             4 Order Araneae Clerck, 1757 - spiders
             5 Order Solpugida - solpugids see Order Solifugae Sundevall, 1833
             6 Order Pseudoscorpiones De Geer, 1778
             7 Order Opiliones Sundevall, 1833 - harvestmen
             8 Order Acari Leach, 1817 - mites, ticks and chiggers see Subclass Acari Leach, 1817