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 "Plagiuri" nom. inval.] see Class Mammalia Linnaeus, 1758 [Genus "Thrichechus" nom. inval.] see Genus Trichechus Linnaeus, 1758 1 ["Manatus" nom. inval.] 1.0 ["Manatus s. Vacca marina" nom. inval.] see Manatus nom. inval.