[Phylum] [Arthropoda] Siebold, 1848 - arthropods
Chelicerata Heymons, 1901
Euchelicerata Weygoldt & Paulus, 1979
[Order] Opiliones Sundevall, 1833 - harvestmen
1 Suborder Cyphophthalmi Simon, 1879 - mite harvestmen
2 Suborder †Tetrophthalmi Garwood, Sharma, Dunlop & Giribet, 2014 [monotypic]
3 Phalangida Bristowe, 1949
4 Genus †Arachnometa Petrunkevitch, 1949, incertae sedis