life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Arthropoda Siebold, 1848 - arthropods
     Class Arachnida Lamarck, 1801
       Micrura Hansen & Sørensen, 1904
         Megoperculata Börner, 1902
           Tetrapulmonata Shultz, 1990
             Order Araneae Clerck, 1757 - spiders
               Suborder Opisthothelae Pocock, 1892 - modern spiders
                 Mygalomorphae Pocock, 1892
                   Atypoidea Thorell, 1870
                     1 Family Atypidae (Thorell, 1870) Bertkau - purse-web spiders
                     2 Family Antrodiaetidae Gertsch, 1940