[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Centrohelida Kühn, 1926 see Order Centrohelida Kühn, 1926
       Raphidiophryidae Mikrjukov, 1996
         Genus Parasphaerastrum Mikrjukov, 1996