Invalid names: Danis ferox Desmarest 1817 [synonym], Melanarctos cavifrons Heude 1898 [synonym], Myrmarctos eversmanni Gray 1864 [synonym], Ursus horribilis Ord 1815 [synonym], Ursus procerus Miller, Jr. 1899 [synonym], Ursus pruinosus Blyth 1854 [synonym]