[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 Convolutidae Graff, 1905
           01 Genus Alluna Faubel & Regier, 1983
           02 Genus Amphiscolops Graff, 1905
           03 Genus Aphanostoma Oersted, 1845
           04 Genus Archaphanostoma Dorjes, 1968
           05 Genus Avagina Leiper, 1902
           06 Genus Baltalimania Ax, 1959
           07 Genus Bursosaphia Dorjes, 1968
           08 Genus Conaperta Antonius, 1968
           09 Genus Convoluta Oersted, 1843
           10 Genus Faerlea Westblad, 1945
           11 Genus Haplodiscus Weldon, 1888
           12 Genus Postaphanostoma Dorjes, 1968
           13 Genus Praeaphanostoma Dorjes, 1968
           14 Genus Praeconvoluta Dorjes, 1968
           15 Genus Proaphanostoma Dorjes, 1972
           16 Genus Proconvoluta Dorjes, 1968
           17 Genus Pseudaphanostoma Westblad, 1946
           18 Genus Pseudoposthia Westblad, 1946