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 Gorgonia Linnaeus, 1758
             Genus Alcyonium Linnaeus, 1758
             Genus Tubularia Linnaeus, 1758
             Genus Eschara Linnaeus, 1758
             Genus Corallina L. (1758)
             Genus Sertularia Linnaeus, 1758
             Genus Hydra Linnaeus, 1758
             Genus Pennatula Linnaeus, 1758
             Genus Taenia Linnaeus, 1758
             Genus Volvox L. (1758)
             Genus Isis Linnaeus, 1758
               1 Isis hippuris Linnaeus, 1758
               2 Isis dichotoma Linnaeus, 1758
               3 Isis ocracea Linnaeus, 1758
               4 Isis anastatica Linnaeus, 1758
               5 Isis encrinus Linnaeus, 1758