[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 Cirripedia Lamarck - barnacles and their kin see Infraclass Cirripedia Burmeister, 1834
       Superorder Acrothoracica Gruvel, 1905
         Order Apygophora Berndt, 1907
           Suborder Apygophora Berndt, 1907 see Order Apygophora Berndt, 1907
             Family Trypetesidae Stebbing, 1910
               Genus Trypetesa Norman, 1903