Kingdom Animalia Linnaeus, 1758 - animals Phylum Arthropoda Siebold, 1848 - arthropods Subphylum Chelicerata Heymons, 1901 Class Arachnida Lamarck, 1801 Uropygi Thorell, 1882 Order Schizomida Petrunkevitch, 1945 - schizomids Suborder Schizomina Petrunkevitch, 1945 Superfamily Hubbardioidea Cook, 1899 Family Protoschizomidae Rowland, 1975