Kingdom [Animalia] Linnaeus, 1758 - animals
Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake 1997, nom. cl. inval. - ecdysozoans
see Clade Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake 1997 [Lake, Halanych, Servin & Garey 2020]
Panarthropoda Nielsen, 1995 - panarthropods
Tritocerebra
see [unranked] Tactopoda Budd, 2001
Phylum Arthropoda Siebold, 1848 - arthropods
Subphylum Arachnomorpha Heider, 1913
see [unranked] Arachnomorpha Heider, 1913
Infraphylum Cheliceriformes
Superclass †Emeraldellida Størmer, 1944
see Order Emeraldellida Størmer, 1944