Imperium naturæ C. Linnaeus, 1758 - nature
   Mundus Plinius - physical world
     naturalia - natural bodies
       Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Vermes Linnaeus, 1758 - worms see Phylum Vermes (C. Linnaeus, 1758)
           Order Zoophyta Linnaeus, 1758
             Genus Alcyonium Linnaeus, 1758
               1 Alcyonium arboreú Linnaeus, 1758
               2 Alcyonium digitatú Linnaeus, 1758 see Alcyonium digitatum Linnaeus, 1758
               3 Alcyonium bursa Linnaeus, 1758