Naturalis Biodiversity Center, Leiden, The Netherlands
Lars W van den Hoek Ostende
Naturalis Biodiversity Center, Leiden, The Netherlands
Arvid Aase
Fossil Butte National Monument, Kemmerer, Wyoming, United States of America
Matthew F Jones
Division of Vertebrate Paleontology, Department of Ecology and Evolutionary Biology,Natural History Museum and Biodiversity Institute, The University of Kansas Lawrence, Lawrence, Kansas,United States of America
Edward D Medeiros
Boreal Ecosystems and Agricultural Sciences, Grenfell Campus, Memorial University of Newfoundland,Corner Brook,Newfoundland, Canada
Nancy B Simmons
Division of Vertebrate Zoology, Department of Mammalogy, American Museum of Natural History, New York, New York, United States of America