Maxillopoda Dahl, 1956
Amaterasidae Izawa, 2008
Archidactylinidae Izawa, 1996
Artotrogidae Brady, 1880
Asterocheridae Giesbrecht, 1899
Brychiopontiidae Humes, 1974
Caligidae Burmeister, 1834
Calverocheridae Stock, 1968
Cancerillidae Giesbrecht, 1897
Cecropidae Dana, 1849
Codobidae Boxshall & Ohtsuka, 2001
Coralliomyzontidae Humes & Stock, 1991
Dichelesthiidae Milne Edwards, 1840
Dichelinidae Boxshall & Ohtsuka, 2001
Dinopontiidae Murnane, 1967
Dirivultidae Humes & Dojiri, 1981
Dissonidae Yamaguti, 1963
Ecbathyriontidae Humes, 1987
Entomolepidae
Entomolepididae Brady, 1899
Eudactalinidae
Eudactylinidae Wilson, 1922
Euryphoridae Wilson, 1905
Flabellicola Gravier, 1918
Grandiungus Pearse, 1952
Hatschekiidae Kabata, 1979
Hessia Beneden, 1870
Hyperoncus Hesse, 1867
Hyponeoidae Heegaard, 1962
Kroyeriidae Kabata, 1979
Lernaeopodidae Milne Edwards, 1840
Lernanthropidae Kabata, 1979
Lobstostoma Kritscher, 1974
Megapontiidae Heptner, 1968
Melinnacheridae
Micropontiidae Gooding, 1957
Nanaspididae Humes & Cressey, 1959
Naobranchiidae Yamaguti, 1939
Nicothoidae Dana, 1849
Pachynesthidae Hesse, 1878
Pachynesthus Hesse, 1878
Pandaridae Milne Edwards, 1840
Pectenophilus Nagasawa, Bresciani & Lutzen, 1988
Pennellidae Burmeister, 1834
Polycliniophilus Hesse, 1864
Pontoeciellidae Giesbrecht, 1895
Pseudocycnidae Wilson, 1922
Pseudohatschekiidae Tang, Izawa, Uyeno & Nagasawa, 2010
Rataniidae Giesbrecht, 1897
Scottomyzontidae Ivanenko, Ferrari & Smurov, 2001
Sphyriidae Wilson, 1919
Sponginticolidae Topsent, 1928
Spongiocnizontidae Stock & Kleeton, 1964
Stellicomitidae Humes & Cressey, 1958
Tanypleuridae Kabata, 1969
Thanatodectes Leigh-Sharpe, 1934
Trebiidae Wilson, 1905
