organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Domain eukaryotes
 see Domain Eukaryota Chatton, 1925
    
 other
      
 Phylum Haplosporidia Caullery & Mesnil, 1899
 see Order Haplosporida M. Caullery & F. Mesnil, 1899
        
 Class Haplosporea M. Caullery, 1953
 see Order Haplosporida M. Caullery & F. Mesnil, 1899
          
 Order Haplosporida M. Caullery & F. Mesnil, 1899
            
 ?Genus Mikrocytos Farley, Wolf & Elston, 1988