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 Chaunacanthida Schewiakoff, 1926
           Family Gigartaconidae Schewiakoff, 1926
             Genus Gigartacon Schewiakoff, 1926