life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: -
   Arthropoda Siebold, 1848 - arthropods
  Count: -
     Class Arachnida Lamarck, 1801
    Count: -
       Micrura Hansen & Sørensen, 1904
      Count: -
         Megoperculata Börner, 1902
        Count: -
           Tetrapulmonata Shultz, 1990
          Count: -
             1 Order Araneae Clerck, 1757 - spiders see Suborder Araneae Clerck, 1757
            Count: -
             2 Pedipalpi Latreille, 1810
            Count: -