organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Eumetazoa Bütschli, 1910 - eumetazoans
       Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
         Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
           Aschelminthes Grobben, 1910 see [unranked] Protostomia Grobben, 1908
             Phylum Rotifera Cuvier, 1798 - rotifers see Phylum Syndermata Ahlrichs, 1995
               Genus Acyclus Leidy, 1882
               Genus Brachionus Pallas, 1766
               Genus Conochilus Ehrenberg, [1834]
               Genus Cupelopagis Forbes, 1882
               Genus Dicranophorus Nitzsch, 1827
               Genus Floscularia Cuvier, 1798
               Genus Hexarthra Schmarda, 1854
               Genus Melicerta Schrank, 1803 see Genus Floscularia Cuvier, 1798
               Genus Notommata Ehrenberg, 1830
               Genus Rotaria Scopoli, 1777
               1 Class Monogononta Plate, 1889
               2 Class Bdelloidea Hudson, 1884
               3 Class Seisonidea