Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Regnum Animale 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.
               Penna marina nom. inval.