Fossil from the cave bear (Ursus spelaeus), a relative with the brown bear and polar bear from your Pleistocene epoch in Europe The subfamily Ursinae knowledgeable a extraordinary proliferation of taxa about five.three–4.five Mya, coincident with major environmental adjustments; the primary users from the genus Ursus appeared all-around this time. https://www.youtube.com/channel/UCCoZfLHRsYsRsVHqS-CSAWA