life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukarya Chatton, 1925 see Domain Eukaryota Chatton, 1925
     Kingdom Protoctista Hogg, 1860
       Phylum Xenophyophora Schulze, 1904
         Class Psamminida Tendal, 1972 see Order Psamminida Tendal, 1972
           Family Psamminidae Haeckel, 1889
             Genus Semipsammina Tendal, 1975