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 Testacea Linnaeus, 1758
             Genus Murex Linnaeus, 1758
               Frondosi suturis crispato-frondescentibus, cauda abbreviata, vulgo Purpurae dicti
                 448 Murex ramosus Linnaeus, 1758
                 449 Murex scorpio Linnaeus, 1758
                 450 Murex saxatilis Linnaeus, 1758
                 451 Murex erinaceus Linnaeus, 1758