organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Domain eukaryotes
 see Domain Eukaryota Chatton, 1925
    
 alveolates Cavalier-Smith
 see [unranked] Alveolata Cavalier-Smith, 1991
      
 Phylum Ciliophora Doflein, 1901 - ciliates
        
 Subphylum Intramacronucleata Lynn, 1996 - amphiesmates
          
 Class Oligohymenophorea de Puytorac et al., 1974 - oligohymenophoreans
            
 Subclass Scuticociliatia (E.B. Small, 1967)
              
 Order Philasterida Small, 1967
                
 Family Thyrophylacidae Berger, in Corliss, 1961
                  
 Genus Thyrophylax Berger, in Corliss, 1961