Phylum Tardigrada Doyère, 1840 - tardigrades
Order Eutardigrada Richters, 1926
see Class Eutardigrada Richters, 1926
Suborder Parachela Schuster, Nelson, Grigarick & Christenberry, 1980
see Order Parachela Schuster, Nelson, Grigarick & Christenberry, 1980
Family Hypsibiidae Pilato, 1969
Subfamily Hypsibiinae Pilato, 1969