Kingdom Animalia Linnaeus, 1758 - animals Phylum Arthropoda Siebold, 1848 - arthropods Subphylum Cheliceriformes Class Chelicerata Heymons, 1901 Subclass Arachnida Lamarck see Class Arachnida Lamarck, 1801 Order Solpugida - solpugids see Order Solifugae Sundevall, 1833 Genus Branchia Muma, 1951