[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       Pantetrapulmonata Shultz, 2007
         [Order] Schizomida Petrunkevitch, 1945 - schizomids
           Family Hubbardiidae Cook, 1899
             1 Genus †Annazomus De Francesco Magnussen & Müller, 2022
             2 Genus Antillostenochrus Armas & Teruel, 2002
             3 Genus †Calcoschizomus Pierce, 1951
             4 Genus †Cretaceozomus De Francesco Magnussen & Müller, 2022
             5 Genus †Groehnizomus De Francesco Magnussen & Müller, 2022
             6 Genus †Mesozomus Müller, Dunlop, Kotthoff, Hammel & Harms, 2019
             7 Genus †Muellerizomus De Francesco Magnussen & Müller, 2022
             8 Genus Rowlandius Reddell & Cokendolpher, 1995