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]
                    Heterostropha
                            Rissoellidae
                                     Rissoella
                                             Rissoella alaskensis
                                             Rissoella caribaea
                                             Rissoella diaphana
                                             Rissoella hertleini