University of Illinois at Urbana-Champaign
Prairie Research Institute
Illinois Natural History Survey

INHS Collections Data

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Organism
  Animalia
    Bilateria
     Protostomia
     Lophozoa
      Mollusca
            Gastropoda
                   [Orthogastropoda]
              Prosobranchia
                     [Parasita]
                    Archaeogastropoda
                          Patelloidea
                            Patellidae
                                     Cymbula
                                     Eoacmaea
                                     Helcion
                                             Helcion pectinata
                                                   [Patella pectinata]
                              Patellinae
                                     Patella
                                             Patella asprea
                                                   [Patella athletica]
                                             Patella depressa
                                             Patella intermedia
                                             Patella mexicana
                                             Patella ulyssiponensis
                                             Patella vulgata
                                     Patina
                                             Patina pellucida
                                                   [Helcion pellucidum]
                                     Scutellastra