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: -
Acaromorpha Dubinin, 1957
Count: [o] 7o;3f
Order Ricinulei Thorell, 1876 - ricinuleids
Count: [g] 1f;3g
1 Suborder †Palaeoricinulei Selden, 1992
Count: -
2 Suborder Neoricinulei Selden, 1992
Count: [g] 1f;3g