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
Acaromorpha Dubinin, 1957
1 Subclass Acari Leach, 1817 - mites and ticks
2 Order Ricinulei Thorell, 1876 - ricinuleids