Kingdom Animalia Linnaeus, 1758 - animals Phylum Tardigrada Doyère, 1840 - tardigrades Class Eutardigrada Richters, 1926 - naked tardigrades 1 Order Apochela Schuster, Nelson, Grigarick & Christenberry, 1980 [monotypic] 2 Order Parachela Schuster, Nelson, Grigarick & Christenberry, 1980