Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies ["Animale Regnum" nom. inval. - animal kingdom] see Kingdom Animalia Linnaeus, 1758 [Class "Amphibia" nom. inval. - reptiles and amphibians] see Class Amphibia Linnaeus, 1758 [Order "Serpentia" nom. inval.] see Order Serpentes Linnaeus, 1758 [Genus "Amphisbaena" Linnaeus, 1748] see Genus Amphisbaena Linnaeus, 1758