[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Cnidaria Hatschek, 1888 - cnidarians
     Anthozoa Ehrenberg, 1831
       Subclass Octocorallia Haeckel, 1866 - octocorals see Subclass Alcyonaria
         Order Pennatulacea - sea pens and sea pansies
           Family Pennatulidae
             1 Genus Crassophyllum Tixier-Durivault, 1961
             2 Genus Gyrophyllum Studer, 1891
             3 Genus Pennatula Linnaeus, 1758
             4 Genus Pteroeides Herklots, 1858