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]
              Heterodonta
                    Myoida
                           [Myina]
                          Gastrochaenoidea
                            Gastrochaenidae
                                     Gastrochaena
                                             Gastrochaena dubia
                                             Gastrochaena hians
                                                   [Rocellaria hians]
                                             Gastrochaena ovata
                                             Gastrochaena stimpsoni
                                     Rocellaria
                                     Spengleria
                                             Spengleria rostrata