Cnidaria Hatschek, 1888 - cnidarians
   Class Anthozoa Ehrenberg, 1831
     Order Actiniaria - sea anemones
       1 Family Haliactiidae
       2 Family Sagartiidae Gosse, 1858
       3 Family Diadumenidae Stephenson, 1920
       4 Family Actinostolidae Carlgren, 1932
       5 Family Hormathiidae Carlgren, 1932
       6 Family Metridiidae Carlgren, 1893
       7 Family Actiniidae Rafinesque, 1815