Kingdom Animalia Linnaeus, 1758 - animals Phylum Arthropoda Siebold, 1848 - arthropods Subphylum Chelicerata Heymons, 1901 Class Arachnida Lamarck, 1801 Order Opiliones Sundevall, 1833 - harvestmen Suborder Cyphophthalmi Simon, 1879 - mite harvestmen Family Sironidae Leach, 1816 [paraphyletic?] ?Genus †Palaeosiro Poinar, 2008