[organisms]
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Eukaryota Chatton, 1925 - eukaryotes
 see Domain Eukaryota Chatton, 1925
    
 Supergroup Excavata Cavalier-Smith, 2002
 see [unranked] Excavata Cavalier-Smith, 2002
      
 Fornicata Simpson, 2003
 see Infraphylum Fornicata Simpson, 2003
        
 Eopharyngia Cavalier-Smith, 1993
 see Superclass Eopharyngia (Cavalier-Smith, 1993) Cavalier-Smith, 2003
          
 Retortamonadida Grassé, 1952
 see Order Retortamonadida Grassé, 1952
            
 Genus Retortamonas Grassi, 1879