Phylum Tardigrada Doyère, 1840 - tardigrades Class Eutardigrada Richters, 1926 - naked tardigrades Order Apochela Schuster, Nelson, Grigarick & Christenberry, 1980 Family Milnesiidae Ramazzotti, 1962 1 Genus Milnesium Doyère, 1840 2 Genus Limmenius Horning et al., 1978 3 Genus Milnesioides S.K. Claxton, 1999