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 Patella Linnaeus, 1758 * Labiatae s. labio interno instructae ** Dentatae s. basi margine angulatae *** Mucronatae vertice acuminato recurvo **** Integerrimae absque vertice mucronato ***** Perforatae vertice