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]
              Opisthobranchia
                    Gymnosomata
                            Thliptodontidae
                                     Cephalobranchia
                                             Cephalobranchia bonnevii
                                             Cephalobranchia macrochaeta
                                     Clionopsis
                                     Massya
                                             Massya longicirrata
                                                   [Cancellaria longicirrata]
                                                   [Clionopsis longicirrata]
                                     Thliptodon
                                             Thliptodon antarcticus
                                             Thliptodon diaphanus
                                             Thliptodon gegenbauri