| Family | Amaterasidae
Izawa, 2008 ⇒ Pandaridae
| 0
0 | Genera
Species |
| Family | Archidactylinidae
Izawa, 1996
| 1
1 | Genus
Species |
| Family | Artotrogidae
Brady, 1880
| 34
161 | Genera
Species |
| Family | Ascomyzontidae
Thorell, 1859
| 0
0 | Genera
Species |
| Family | Asterocheridae
Giesbrecht, 1899
| 88
420 | Genera
Species |
| Family | Brychiopontiidae
Humes, 1974
| 3
3 | Genera
Species |
| Family | Caligidae
Burmeister, 1834
Sea lice, Sea louse | 69
858 | Genera
Species |
| Family | Calverocheridae
Stock, 1968
| 4
5 | Genera
Species |
| Family | Calvocheridae
Stock, 1968
| 0
0 | Genera
Species |
| Family | Cancerillidae
Giesbrecht, 1897
| 10
21 | Genera
Species |
| Family | Cecropidae
Dana, 1849 ⇒ Pandaridae
| 5
19 | Genera
Species |
| Family | Choniostomatidae
Hansen, 1886
| 0
0 | Genera
Species |
| Family | Codobidae
Boxshall & Ohtsuka, 2001
| 1
1 | Genus
Species |
| Family | Coralliomyzontidae
Humes & Stock, 1991
| 4
8 | Genera
Species |
| Family | Dichelesthiidae
Milne Edwards, 1840
| 8
7 | Genera
Species |
| Family | Dichelinidae
Boxshall & Ohtsuka, 2001
| 1
2 | Genus
Species |
| Family | Dinopontiidae
Murnane, 1967
| 2
7 | Genera
Species |
| Family | Dirivultidae
Humes & Dojiri, 1981
| 14
70 | Genera
Species |
| Family | Dissonidae
Yamaguti, 1963
| 2
14 | Genera
Species |
| Family | Dyspontiidae
| 0
0 | Genera
Species |
| Family | Ecbathyriontidae
Humes, 1987
| 2
2 | Genera
Species |
| Family | Entomolepidae
Brady, 1899 ⇒ Entomolepididae
| 0
0 | Genera
Species |
| Family | Entomolepididae
Brady, 1899
| 10
25 | Genera
Species |
| Family | Eudactalinidae
| 0
0 | Genera
Species |
| Family | Eudactylinidae
C. B. Wilson, 1932
| 15
99 | Genera
Species |
| Family | Euryphoridae
Wilson, 1905 ⇒ Caligidae
| 4
51 | Genera
Species |
| Family | Hatschekiidae
Kabata, 1979
| 17
223 | Genera
Species |
| Family | Hyponeoidae
Heegaard, 1962
| 3
4 | Genera
Species |
| Family | Kroyeriidae
Kabata, 1979
| 8
57 | Genera
Species |
| Family | Lernaeopodidae
H. Milne-Edwards, 1840
| 80
867 | Genera
Species |
| Family | Lernanthropidae
Kabata, 1979
| 15
224 | Genera
Species |
| Family | Megapontiidae
Heptner, 1968
| 2
12 | Genera
Species |
| Family | Melinnacheridae
Lutzen, 1964 ⇒ Saccopsidae
| 1
4 | Genus
Species |
| Family | Micropontiidae
Gooding, 1957
| 1
2 | Genus
Species |
| Family | Nanaspididae
Humes & Cressey, 1959
| 6
20 | Genera
Species |
| Family | Naobranchiidae
Yamaguti, 1939 ⇒ Lernaeopodidae
| 1
28 | Genus
Species |
| Family | Nicothoidae
Dana, 1852
| 34
174 | Genera
Species |
| Family | Pachynesthidae
Hesse, 1878
| 8
8 | Genera
Species |
| Family | Pandaridae
Milne Edwards, 1840
| 51
246 | Genera
Species |
| Family | Pennellidae
Burmeister, 1816
| 50
335 | Genera
Species |
| Family | Pennillidae
Burmeister, 1816
| 0
0 | Genera
Species |
| Family | Pontoeciellidae
Giesbrecht, 1895
| 2
5 | Genera
Species |
| Family | Pontopsyllidae
Scott T., 1894 ⇒ Pennellidae
| 0
0 | Genera
Species |
| Family | Pseudocycnidae
Wilson, 1922
| 7
28 | Genera
Species |
| Family | Pseudohatschekiidae
Tang & al., 2010
| 1
2 | Genus
Species |
| Family | Rataniidae
Giesbrecht, 1897
| 2
4 | Genera
Species |
| Family | Samarusidae
Lee J. & I.H. Kim, 2018
| 1
1 | Genus
Species |
| Family | Scottomyzontidae
Ivanenko, Ferrari & Smurov, 2001
| 1
1 | Genus
Species |
| Family | Sphyriidae
Wilson, 1919
| 19
81 | Genera
Species |
| Family | Sponginticolidae
Topsent, 1928
| 3
5 | Genera
Species |
| Family | Spongiocnizontidae
Stock & Kleeton, 1964
| 2
6 | Genera
Species |
| Family | Stellicomitidae
Humes & Cressey, 1958
| 7
14 | Genera
Species |
| Family | Tanypleuridae
Kabata, 1969
| 1
3 | Genus
Species |
| Family | Trebiidae
Wilson, 1905
| 4
24 | Genera
Species |
