Coronarctidae Renaud-Mornant, 1974 (basis of record)
Coronarctus Renaud-Mornant, 1974 (basis of record)
Coronarctus laubieri Renaud-Mornant, 1987 (basis of record)
Coronarctus stylisetus Renaud-Mornant, 1987 (basis of record)
Coronarctus tenellus Renaud-Mornant, 1974 (basis of record)
Exoclavarctus Renaud-Mornant, 1983 (basis of record)
Exoclavarctus dineti Renaud-Mornant, 1983 (basis of record)
Halechiniscidae Thulin, 1928 (basis of record)
Halechiniscus Richters, 1908 (basis of record)
Heterotardigrada (basis of record)
Pleocola Cantacuzène, 1951 (basis of record)
Tanarctus Renaud-Debyser, 1959 (basis of record)
Tanarctus gracilis Renaud-Mornant, 1980 (basis of record)
Tanarctus ramazzottii Renaud-Mornant, 1975 (basis of record)
Tholoarctus Kristensen & Renaud-Mornant, 1983 (basis of record)
Tholoarctus natans Kristensen & Renaud-Mornant, 1983 (basis of record)