[organisms]
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
    
 Class Turbellaria Ehrenberg, 1831 - planarians
 see Subphylum Turbellaria Ehrenberg, 1831
      
 Order Acoela Uljanin, 1870 - acoels
 see Class Acoela Uljanin, 1870
        
 Family Mecynostomidae Dörjes, 1968
          
 Genus Paramecynostomum Dorjes, 1968