Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies ["Animale Regnum" nom. inval. - animal kingdom] see Kingdom Animalia Linnaeus, 1758 [Class "Vermes" nom. inval. - vermin] see Class Vermes Linnaeus, 1758 [Order "Zoophyta" nom. inval.] see Order Zoophyta Linnaeus, 1758 [Genus "Echinus" nom. inval.] see Genus Echinus Linnaeus, 1758 1 "Echinus marinus" nom. inval.