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M a m m a l i a ( Classe )

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    Carnivora (Ordine)

      Mustelidae

        Mustela nivalis - Mustelidae - (Donnola)

          Lagomorpha (Ordine)

            Leporidae

              Lepus europaeus - Leporidae - (Lepre europea)

                Erinaceomorpha (Ordine)

                  Erinaceidae

                    Erinaceus europaeus - Erinaceidae

                      Rodentia (Ordine)

                        Myocastoridae

                          Myocastor coypus - Myocastoridae