[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Crustacea (Brünnich, 1772) - crustaceans see Superclass Crustacea Pennant, 1777
     Subclass Copepoda H. Milne-Edwards, 1840 - copepods
       Order Siphonostomatoida Thorell, 1859
         Family Caligidae Burmeister, 1834
           1 Genus Caligodes Heller, 1865
           2 Genus Caligopsis Markevich, 1940, nom. illeg. see Genus Markevichus Özdikmen, 2008
           3 Genus Caligus O.F. Müller, 1785
           4 Genus Diphyllogaster Brian, 1899
           5 Genus Lepeophtheirus von Nordmann, 1832
           6 Genus Pseudocaligus A. Scott, 1901
           7 Genus Scienophilus P.J. van Beneden, 1852 see Genus Sciaenophilus P.J. van Beneden, 1852