Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Asc-helminthes
           Class Rotatoria Ehrenberg, 1838 see Phylum Rotifera Cuvier, 1798
             Subclass Seisonidea see Class Seisonidea
               Order Seisonida see Order Seisonacea Wesenberg-Lund, 1899
                 Genus Seison Grube, 1859
                   Seison nebaliae (Grube, 1859)