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 Minibiotus weglarskae L. Michalczyk et al., 2005