adianthine litoptern from the Deseado formation of Patagonia... Patterson, Bryan Heftet / 2013 / Engelsk
New Pantodonta and Dinocerata from the Upper Paleocene of western Colorado... Patterson, Bryan Heftet / 2013 / Engelsk
New Pantodonta and Dinocerata From the Upper Paleocene of Western Colorado Patterson, Bryan Heftet / 2025 / Engelsk
primitive pyrothere (Mammalia, Notoungulata) from the early Tertiary of northwestern Venezuela... Patterson, Bryan Heftet / 2013 / Engelsk
