Chelicerata Heymons, 1901
Schizomida Petrunkevitch, 1945 - schizomids
Family Hubbardiidae Cook, 1899
1 Genus Antillostenochrus Armas & Teruel, 2002
2 Genus †Calcoschizomus Pierce, 1951
3 Genus †Mesozomus Müller, Dunlop, Kotthoff, Hammel & Harms, 2019
4 Genus Rowlandius Reddell & Cokendolpher, 1995