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
            Bivalvia
                   [Pelecypoda]
              Pteriomorphia
                    Pterioida
                           [Pteriina]
                            Isognomonidae
                                     Isognomon
                                             Isognomon alatus
                                             Isognomon bicolor
                                             Isognomon janus
                                             Isognomon radiatus
                                             Isognomon recognitus