Ursus arctos
Animalia | Chordata | Mammalia | Carnivora | Ursidae | Ursus
Animalia | Chordata | Mammalia | Carnivora | Ursidae | Ursus
Ursus arctos
Theria | Placentalia | Boreoeutheria | Laurasiatheria | Carnivora | Caniformia | Arctoidea |  | Ursoidea | Ursidae | Ursinae |  | Ursus |  | arctos