Class Anthozoa Ehrenberg, 1831
   Subclass Octocorallia Haeckel, 1866 - octocorals see Subclass Alcyonaria
     Order Alcyonacea Lamouroux, 1816 - soft corals
       Family Isididae Lamouroux, 1812
         Subfamily Isidinae
           1 Genus Chelidonisis Studer, 1890
           2 Genus Isis Linnaeus, 1758
           3 Genus Muricellisis Kükenthal, 1915