Natura - nature
Status: extant
   actualia - actual entities
  Status: extant
     Mundus Plinius - physical world
    Status: extant
       Caelum veter. - region of the fixed stars
      Status: extant
         (Constellation) Eridanus veter. - Eri
        Status: extant
           (Star) μ Eridani
          Status: extant