living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Brachiopoda Duméril, 1806 - brachiopods
           Class Inarticulata (Huxley, 1869)
             Order Acrotretida Kuhn, 1949
               Suborder Craniidina Waagen, 1885 see Order Craniida Waagen, 1885
                 Superfamily Craniacea Menke, 1828 see Superfamily Cranioidea Menke, 1828
                   1 Family Craniidae Menke, 1828