Central Taxonomic Thesaurus

Taxon Search
  Animalia
      Mollusca
            Bivalvia
              Autobranchia
                Heteroconchia
                 Euheterodonta
                  Imparidentia
                    Cardiida
                          Cardioidea
                            Cardiidae
                              Cardiinae
                                     Cardium
                              Fraginae
                                     Americardia
                                             Americardia speciosa
                                                   [Cardium speciosum]
                              Protocardiinae
                                     Protocardia