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
      
 Order Arcellinida Kent, 1880 - shelled lobosid amebas
        
 Suborder Arcellina Haeckel, 1894
 see Suborder Arcellinina Haeckel, 1884
          
 1 Family Microcoryciidae de Saedeleer, 1934
          
 2 Family Microchlamyiidae Ogden, 1985
          
 3 Family Arcellidaeᵀ Ehrenberg, 1843