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

INHS Collections Data

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  Animalia
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     Protostomia
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      Mollusca
            Bivalvia
                   [Pelecypoda]
              Pteriomorphia
                    Pectinida
                          Anomioidea
                            Placunidae
                                     Placuna
                                             Placuna ephippium
                                             Placuna placenta