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 Buccinum Linnaeus, 1758
               *a* Ampullacea inflata, rotundata, tenui-subdiaphana, fragilia
               *b* Cassidea Caudata: cauda exserta brevi reflexa; Labro extrorsum inermi
               *c* Cassidea Unguiculata: labro postice extrorsum aculeato; caeterum similia Caudatis b
               *d* Callosa: columellae labio dilatato incrassato
               *e* Detrita: columellae labium quasi abrasum, planum
               *f* Laevigata (nec praecedentia)
               *f* "*" Angulata (nec antea dicta)
               *g* Turrita: laevia subulata