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 Hemiptera Linnaeus, 1758 - true bugs Genus Cimex Linnaeus, 1758 Seticornes Linnaeus, 1758 Cimex ater Linnaeus, 1758 see Capsus ater (C. Linnaeus, 1758)