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 Mammalia Linnaeus, 1758 - mammals
Pinnata Linnaeus, 1758
see Class Mammalia Linnaeus, 1758
Order Cete Linnaeus, 1758
see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
Genus Monodon Linnaeus, 1758 - narwhal
Monodon monoceros Linnaeus, 1758 - narwhal