Phylum Tardigrada Doyère, 1840 - tardigrades
   Class Eutardigrada Richters, 1926 - naked tardigrades
     Order Parachela Schuster, Nelson, Grigarick & Christenberry, 1980
       Family Macrobiotidae Thulin, 1928
         Genus Minibiotus Schuster, in Schuster et al., 1980
           1 Minibiotus intermedius (Plate, 1888)
           2 Minibiotus weglarskae L. Michalczyk et al., 2005