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 Aptera Linnaeus, 1758 Genus Aranea Linnaeus, 1758 see Genus Araneus Clerck, 1757 Aranea riparia Linnaeus, 1758 see Agelena labyrinthica (C. Clerck, 1757)