Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Cnidaria Hatschek, 1888 - cnidarians
     Class Anthozoa Ehrenberg, 1831
       Subclass Zoantharia de Blainville, 1830
         Order Scleractinia Bourne, 1900
           Genus Siderastrea de Blainville, 1830 - starlet coral