organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Domain eukaryotes
 see Domain Eukaryota Chatton, 1925
    
 flagellated protists
      
 Phylum Euglenozoa Cavalier-Smith, 1981
        
 Class Euglenoidea Bütschli, 1884
          
 Order Euglenida Bütschli, 1884 - euglenids
            
 Suborder Euglenina Bütschli, 1884
              
 Genus Cyclidiopsis Korschikov, 1917