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
      Brachiopoda
        Rhynchonelliformea
            Rhynchonellata
                    Terebratulida
                      Terebratellidina
                          Terebratellacea
                            Megathyrididae
                                     Argyrotheca
                                             Argyrotheca barrettiana
                                             Argyrotheca cistellula
                                                   [Terebratula cistellula]
                                             Argyrotheca cordata
                                                   [Argyrotheca cordata exopleura]
                                                   [Terebratula cordata]
                                             Argyrotheca cuneata
                                                   [Terebratula cuneata pantellaria]
                                                   [Terebratula cuneata pera]
                                                   [Terebratula cuneata]
                                             Argyrotheca lutea
                                     Gwynia
                                             Gwynia capsula
                                                   [Terebratula capsula]
                                     Megathiris
                                             Megathiris detruncata