Eutardigrada Richters, 1926 - naked tardigrades Order Parachela Schuster, Nelson, Grigarick & Christenberry, 1980 Family Macrobiotidae Thulin, 1928 1 Genus Minibiotus Schuster, in Schuster et al., 1980 2 Genus Macrobiotus Schultze, 1834