Systema naturæ - nature Universum - universe see [unranked] Mundus Plinius naturalia - natural bodies Regnum Animale nom. inval. - animal kingdom see Kingdom Animalia Linnaeus, 1758 Class Insecta nom. inval. - insects see Class Insecta Linnaeus, 1758 Order Aptera nom. inval. see Order Aptera Linnaeus, 1758 Genus Pediculus nom. inval. see Genus Pediculus Linnaeus, 1758 Pediculus avium nom. inval.