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 Medusa nom. inval. see Genus Medusa Linnaeus, 1758
               1 Urtica marina nom. inval.
               2 Urtica vermiformis nom. inval.
               3 Urtica crinita nom. inval.
               4 Urtica astrophyta nom. inval.