The present 3D Dataset contains the 3D models analyzed in the article Mennecart, B., and L. Costeur. 2016. A Dorcatherium (Mammalia, Ruminantia, Middle Miocene) petrosal bone and the tragulid ear region. Journal of Vertebrate Paleontology 36(6), 1211665(1)-1211665(7). DOI: 10.1080/02724634.2016.1211665.