[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 Gammaridae Latreille, 1802
           1 Genus Echinogammarus Stebbing, 1899
           2 Genus Gammarus Fabricius, 1775
           3 Genus Longigammarus G.S. Karaman, 1970
           4 Genus Lunulogammarus Krapp-Schickel, Ruffo & Schiecke, 1994
           5 Genus Neogammarus Ruffo, 1937
           6 Genus Rhipidogammarus Stock, 1971
           7 Genus Weyprechtia Stuxberg, 1880