[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 Calanidae Dana, 1846
           1 Genus Calanoides Brady, 1883
           2 Genus Calanus Leach, 1816
           3 Genus Mesocalanus Bradford & Jillett, 1974
           4 Genus Nannocalanus G.O. Sars, 1925
           5 Genus Neocalanus G.O. Sars, 1925
           6 Genus Undinula A. Scott, 1909