[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 Tanaidacea Dana, 1849 - tanaids
       Suborder Tanaidomorpha Sieg, 1980
         Family Anarthruridae Lang, 1971
           Subfamily Anarthrurinae Lang, 1971b see Family Anarthruridae Lang, 1971
             Tribe Agathotanaini Lang, 1971b see Family Agathotanaidae Lang, 1971
               Genus Paragathotanais Lang, 1971