Phylogeny
Family Ursidae (bears)
Subfamily Ailurunae
GenusAiluropoda Ailuropoda melanoleuca (giant panda)
Genus Ailurus Ailurus fulgens
Subfamily Ursinae
Genus Helarctos Helarctos malayanus (Malayan sun bear)
Genus Melursus Melursus ursinus (sloth bear)
Genus Tremarctos Tremarctos ornatus (spectacled bear)
Genus Ursus Ursus americanus (American black bear)
Genus Ursus arctos (brown or grizzly bear)
