[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 Cylindropsyllidae G.O. Sars, 1909
           1 Genus Boreopontia Willems, 1981
           2 Genus Cylindropsyllus Brady, 1880
           3 Genus Cylinula Coull, 1971
           4 Genus Evansula T. Scott, 1906
           5 Genus Selenopsyllus Moura & Pottek, 1998
           6 Genus Stenocaris G.O. Sars, 1909
           7 Genus Stenocaropsis Apostolov, 1982
           8 Genus Willemsia Huys & Conroy-Dalton, 1993