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 Cypraea Linnaeus, 1758
               Umbilicatae
                 305 Cypraea onyx Linnaeus, 1758
                 306 Cypraea succincta Linnaeus, 1758
                 307 Cypraea ziczac Linnaeus, 1758
                 308 Cypraea hirundo Linnaeus, 1758
                 309 Cypraea asellus Linnaeus, 1758
                 310 Cypraea cribraria Linnaeus, 1758
                 311 Cypraea errones Linnaeus, 1758