Imperium naturae C. Linnaeus, 1758 - nature Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758 Pisces Linnaeus, 1758 see Superclass Pisces Linnaeus, 1758 Thoracici Linnaeus, 1758 Cottus Linnaeus, 1758 - bullhead