[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 Harpacticoida Sars, 1903
         Family Tetragonicipitidae Lang, 1944
           1 Genus Aigondiceps F. Fiers, 1995
           2 Genus Laophontella Thompson & Scott, 1903
           3 Genus Paraschizopera Wells, 1981
           4 Genus Phyllopodopsyllus T. Scott, 1906
           5 Genus Protogoniceps Por, 1964
           6 Genus Pteropsyllus T. Scott, 1906
           7 Genus Tetragoniceps Brady, 1880