[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 Sagittiferidae Kostenko & Mamkaev, 1990
Genus Simsagittifera Kostenko & Mamkaev, 1990
see Genus Symsagittifera Kostenko & Mamkaev, 1990