organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     amoeboid protists
       Class Acantharea Haeckel, 1881
         Order Arthracanthida Schewiakoff, 1926
           Suborder Sphaenacantha Schewiakoff, 1926
             Family Hexalaspidae Haeckel, 1887
               1 Genus Coleaspis Haeckel, 1881
               2 Genus Hexalaspis
               3 Genus Hexaconus Haeckel, 1885, nom. nud.