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 Phaeodarea Haeckel, 1879 see Subclass Phaeodaria Haeckel, 1879
         Order Phaeogromida Haeckel, 1887
           1 Family Challengeridae Murray, 1885
           2 Family Medusettidae Haeckel, 1887
           3 Family Lirellidae Loeblich & Tappan, 1961