living organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Superkingdom Eukaryotae
 see Domain Eukaryota Chatton, 1925
    
 Kingdom Animalia Linnaeus, 1758 - animals
      
 Subkingdom Protozoa Goldfuss, 1818
 see Kingdom Protozoa Goldfuss, 1818
        
 Phylum Sarcomastigophora Honigberg & Balamuth, 1963
          
 Subphylum Sarcodina - amebas
            
 Superclass Rhizopoda - rhizopodans
 see Phylum Rhizopoda Dujardin, 1835
              
 Class Eumycetozoa Zopf, 1884
 see Parvphylum Mycetozoa de Bary, 1859 ex Rostafiński, 1873
                
 Subclass Protostelia Olive, 1970
 see Class Protostelea Alexopoulos & Mims, 1979
                  
 Order Protosteliida Olive & Stoianovitch, 1966
 see Order Protostelida Olive & Stoianovitch, 1966
                    
 1 Family Cavosteliidae Olive, 1965
                    
 2 Family Ceratiomyxidae Schröter, 1889
                    
 3 Family Protosteliidae Olive, 1962