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 Polycystina Ehrenberg, 1838
 see Class Polycystinea Ehrenberg, 1838
        
 Order Spumellaria Ehrenberg, 1875
 see Class Spumellaria Ehrenberg, 1875
          
 Genus Centrocubus Haeckel, 1887