[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 Calanoida Sars, 1903
         Family Eucalanidae Giesbrecht, 1893
           1 Genus Eucalanus Dana, 1852
           2 Genus Rhincalanus Dana, 1852[1853]
           3 Genus Subeucalanus Geletin, 1976