Phylum Tardigrada Doyère, 1840 - tardigrades
Class Eutardigrada Richters, 1926 - naked tardigrades
Order Parachela Schuster, Nelson, Grigarick & Christenberry, 1980
Family Hypsibiidae Pilato, 1969
Genus Diphascon Plate, 1888
Subgenus Adropion Pilato
1 Diphascon belgicae Richters, 1911
2 Diphascon prosirostre Thulin, 1928
3 Diphascon scoticum J. Murray, 1905