[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Cnidaria Hatschek, 1888 - cnidarians
     Anthozoa Ehrenberg, 1831
       Hexacorallia Haeckel, 1866 - sea anemones and true corals see Subclass Zoantharia de Blainville, 1830
         Order Actiniaria - sea anemones
           Family Sagartiidae Gosse, 1858
             1 Genus Actinothoe Fischer, 1889
             2 Genus Cereus Oken, 1815
             3 Genus Phellia Gosse, 1858
             4 Genus Sagartia Gosse, 1855
             5 Genus Sagartiogeton Carlgren, 1924