Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [Regnum Animale C. Linnaeus, 1758 - animal kingdom] see Kingdom Animalia Linnaeus, 1758 [Aranei C. Clerck, 1757] 1 [Horde Aranei Aerei C. Clerck, 1757] 2 [Horde Aranei Aquatici C. Clerck, 1757]