Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Tardigrada Doyère, 1840 - tardigrades
     Class Eutardigrada Richters, 1926 - naked tardigrades
       Order Parachela Schuster, Nelson, Grigarick & Christenberry, 1980
         Superfamily Hypsibioidea Pilato, 1969
           1 Family Calohypsibiidae Pilato, 1969
           2 Family Hypsibiidae Pilato, 1969
           3 Family Microhypsibiidae Pilato, 1998
           4 Family Ramazzottiidae Sands, McInnes, Marley, Goodall-Copestake, Convey & Linse, 2008