After Martin & Davis, 2001

<==o Siphonostomatoida Thorell, 1859 [incl. Caligoida]
   |?- Anthosomidae [not recognized by Martin & Davis, 2001]
   |-- Archidactylinidae Izawa, 1996
   |-- Artotrogidae Brady, 1880
   |-- Asterocheridae Giesbrecht, 1899
   |-- Brychiopontiidae Humes, 1974
   |-- Caligidae Burmeister, 1834 (galicusäyriäiset)
   |-- 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
   |-- Entomolepididae Brady, 1899
   |-- Eudactylinidae Wilson, 1922
   |-- Euryphoridae Wilson, 1905
   |-- Hatschekiidae Kabata, 1979
   |-- Hyponeoidae Heegaard, 1962
   |-- Kroyeriidae Kabata, 1979
   |-- Lernaeopodidae Milne-Edwards, 1840
   |-- Lernanthropidae Kabata, 1979
   |-- Megapontiidae Haptner, 1968
   |-- Micropontiidae Gooding, 1957
   |-- Nanaspididae Humes & Gressey, 1959
   |-- Nicothoidae Dana, 1849
   |-- Pandaridae Milne-Edwards, 1840
   |-- Pennellidae Burmeister, 1834
   |-- Pontoeciellidae Giesbrecht, 1895
   |-- Pseudocycnidae Wilson, 1922
   |-- 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
   `-- Trebiidae Wilson, 1905

Reference(s):