Skip to main content
Ursus arctos Ursus maritimus Ursus spelaeus Ursus deningeri Ursus thibetanus thibetanus Ursus thibetanus formosanus Ursus thibetanus mupinensis Ursus americanus Helarctos malayanus Melursus ursinus
0 1.17 2.33 3.50 4.66 Time (MYA)
Name:
Clade Size:
Estimated Time: