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Organism
  Animalia
         [Metazoa]
      Mollusca
            Bivalvia
                   [Conchifera]
                   [Lamellibranchiata]
                   [Pelecypoda]
              Autobranchia
               Heteroconchia
                Euheterodonta
                  Imparidentia
                    Venerida
                          Arcticoidea
                            Arcticidae
                                     Arctica
                                           [Nympha]
                                             Arctica islandica
                                                   [Cyprina islandica]
                                     Cyprina
                                     Hartwellia
                                             Hartwellia hartwellensis
This project is supported by the National Science Foundation's Division of Environmental Biology through an award titled "Advancing Revisionary Taxonomy and Systematics: Integrative Research and Training in Tropical Taxonomy" (DEB-1456674). Any opinions, findings, and conclusions or recommendations expressed on this website are those of the authors and do not necessarily reflect the views of the National Science Foundation.