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 Insecta Linnaeus, 1758 - insects Order Coleoptera Linnaeus, 1758 - beetles Genus Forficula Linnaeus, 1758 1 Forficula auricularia Linnaeus, 1758 - European earwig 2 Forficula minor Linnaeus, 1758