[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 Thoracica Darwin, 1854
         Order Pedunculata Lamarck, 1818
           Suborder Scalpellomorpha Newman, 1987
             Family Scalpellidae Pilsbry, 1907
               Subfamily Scalpellinae Pilsbry, 1907
                 1 Genus Scalpellum Leach, 1817
                 2 Genus Ornatoscalpellum Zevina, 1978
                 3 Genus Hamatoscalpellum Zevina, 1978
                 4 Genus Litoscalpellum Newman & Ross, 1971
                 5 Genus Neoscalpellum Pilsbry, 1907