Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies ["Animale Regnum" nom. inval. - animal kingdom] see Kingdom Animalia Linnaeus, 1758 [Class "Pisces" nom. inval. - fishes] see Class Pisces Linnaeus, 1758 [Order "Branchiostegi" nom. inval.] see Order Branchiostegi Linnaeus, 1758 [Genus "Cyclopterus" nom. inval.] see Genus Cyclopterus Linnaeus, 1758 ["Lepus marinus" nom. inval.] see Lumpus nom. inval.