Stephanorhinus or Merck's rhinoceros is an extinct genus of rhinoceros native to northern Eurasia that lived during the Lower to Early Late Pleistocene epoch. It had two horns and was a relatively large rhino. It weighed over 3,000 kg (6,600 lbs) and measured about 2.00 metres (6.56 ft) tall and 4.00 metres (13.12 ft) in length, having a size similar to a white rhino.