Taxon Search
Organism
  Animalia
    Bilateria
     Deuterostomia
      Chordata
        Vertebrata
         Gnathostomata
          Tetrapoda
            Mammalia
              Theria
                Eutheria
                    Carnivora
                      Caniformia
                             [Pinnipedia]
                            Ursidae
                                   [Ursinae]
                                    Ailuropoda
                                            Ailuropoda melanoleuca
                                                   [Ursus melanoleucus]
                                    Helarctos
                                            Helarctos malayanus
                                              Helarctos malayanus euryspilus
                                              Helarctos malayanus malayanus
                                    Melursus
                                            Melursus ursinus
                                              Melursus ursinus inornatus
                                              Melursus ursinus ursinus
                                    Tremarctos
                                            Tremarctos ornatus
                                    Ursus
                                            Ursus americanus
                                              Ursus americanus altifrontalis
                                              Ursus americanus amblyceps
                                              Ursus americanus americanus
                                              Ursus americanus californiensis
                                              Ursus americanus carlottae
                                              Ursus americanus cinnamomum
                                              Ursus americanus emmonsii
                                              Ursus americanus eremicus
                                              Ursus americanus floridanus
                                              Ursus americanus hamiltoni
                                              Ursus americanus kermodei
                                              Ursus americanus luteolus
                                              Ursus americanus machetes
                                              Ursus americanus perniger
                                              Ursus americanus pugnax
                                              Ursus americanus vancouveri
                                            Ursus arctos
                                              Ursus arctos alascensis
                                                     [Ursus arctos kenaiensis]
                                              Ursus arctos arctos
                                              Ursus arctos beringianus
                                              Ursus arctos californicus
                                              Ursus arctos collaris
                                              Ursus arctos crowtheri
                                              Ursus arctos dalli
                                              Ursus arctos gyas
                                              Ursus arctos horribilis
                                                     [Ursus arctos nelsoni]
                                              Ursus arctos isabellinus
                                              Ursus arctos lasiotus
                                              Ursus arctos middendorffi
                                              Ursus arctos pruinosus
                                              Ursus arctos sitkensis
                                              Ursus arctos stikeenensis
                                              Ursus arctos syriacus
                                            Ursus luteolus
                                            Ursus maritimus
                                                   [Ursus maritimus marinus]
                                                   [Ursus maritimus maritimus]
                                            Ursus thibetanus
                                              Ursus thibetanus formosanus
                                              Ursus thibetanus gedrosianus
                                              Ursus thibetanus japonicus
                                              Ursus thibetanus laniger
                                              Ursus thibetanus mupinensis
                                              Ursus thibetanus thibetanus
                                              Ursus thibetanus ussuricus