Ursidae
Family within Carnivora
Adelpharctos
Agriarctos
Agriotherium
Ailurarctos
Ailuropoda
Arctodus
Arctotherium
Ballusia
Cephalogale
Cyonarctos
Dinocyon
Filholictis
Helarctos
Hemicyon
Indarctos
Kretzoiarctos
Melursus
Miomaci
Phoberocyon
Phoberogale
Plionarctos
Plithocyon
Protarctos
Tremarctos
Ursavus
Ursus
Zaragocyon