[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 Akanthophoreinae Sieg, 1986
             Genus Leptognathiella Hansen, 1913