[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
     Order Amphipoda Latreille, 1816 - amphipods
       Suborder Gammaridea Latreille, 1802
         Family Stenothoidae Boeck, 1871
           1 Genus Hardametopa Barnard & Karaman, 1991
           2 Genus Mesometopa Guryanova, 1938
           3 Genus Metopa Boeck, 1871
           4 Genus Metopella Sars, 1892
           5 Genus Microstenothoe Pirlot, 1933 see Genus Stenothoe Dana, 1852
           6 Genus Parametopa Chevreux, 1901
           7 Genus Proboloides Della Valle, 1893
           8 Genus Stenothoe Dana, 1852
           9 Genus Stenula J.L. Barnard, 1962