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 Trochus Linnaeus, 1758
               Imperforati erecti, umbilico clauso
                 515 Trochus vestiarius Linnaeus, 1758
                 516 Trochus labio Linnaeus, 1758
                 517 Trochus tuber Linnaeus, 1758
                 518 Trochus striatus Linnaeus, 1758
                 519 Trochus conulus Linnaeus, 1758
                 520 Trochus zizyphinus Linnaeus, 1758