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 "Tethys" Linnaeus, 1735, nom. inval.] see Genus Tethys Linnaeus, 1767, nom. cons.
                 "Holothurium" nom. inval.