Systema naturæ - nature Universum - universe see [unranked] Mundus Plinius naturalia - natural bodies Regnum Animale 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 Balaena nom. inval. see Genus Balaena Linnaeus, 1758 Balaena Maxill. inf. latiore Art., nom. inval.