Beornidae Cooper, 1964 † (current name source)
Calohypsibiidae Pilato, 1969 (current name source)
Carphaniidae Binda & Kristensen, 1986 (current name source)
Echiniscoididae Kristensen & Hallas, 1980 (current name source)
Hypsibiidae Pilato, 1969 (current name source)
Isohypsibiidae Sands et al., 2008 (extant flag source)
Isohypsibiidae Sands et al., 2008 (current name source)
Isohypsibiidae Sands et al., 2008 (basis of record)
Macrobiotidae Thulin, 1928 (current name source)
Milnesiidae Ramazzotti, 1962 (current name source)
Necopinatidae Ramazzotti, 1983 (current name source)
Oreellidae Puglia, 1959 accepted as Oreellidae Ramazzotti, 1962 (current name source)
Ramazzottidae Marley, McInnes & Sands, 2011 accepted as Ramazzottiidae Sands et al., 2008 (basis of record)
Ramazzottidae Marley, McInnes & Sands, 2011 accepted as Ramazzottiidae Sands et al., 2008 (current name source)
Ramazzottidae Marley, McInnes & Sands, 2011 accepted as Ramazzottiidae Sands et al., 2008 (extant flag source)
Renaudarctidae Kristensen & Higgins, 1984 (current name source)
Thermozodiidae Rahm, 1937 (current name source)