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 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