- Ursidae, family Ursidae - bears and extinct related forms
--1 is a kind of mammal family
--1 is a member of Carnivora, order Carnivora
--1 has members:bear; Ursus, genus Ursus; Euarctos, genus Euarctos; Selenarctos, genus Selenarctos; Thalarctos, genus Thalarctos; Melursus, genus Melursus