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 Phyllacantha Schewiakoff, 1926
             Family Phyllostauridae Schewiakoff, 1926
               Genus Amphistaurus Schewiakoff, 1926