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
Infraorder Sternophthalmi Giribet, Sharma, Benavides, Boyer, Clouse, de Bivort, Dimitrov, Kawauchi, Murienne & Schwendinger, 2012
Family Sironidae Leach, 1816 [monophyletic?]