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 Xenophyophorea Schulze, 1904
         Order Psamminida Tendal, 1972
           Family Psamminidaeᵀ Haeckel, 1889
             1 Genus Psammina Haeckel, 1889
             2 Genus Semipsammina Tendal, 1975
             3 Genus Cerelpemma Laubenfels, 1936
             4 Genus Galatheammina Tendal, 1972
             5 Genus Reticulammina Tendal, 1972