Mammalia - Rodentia - Ischyromyidae
Alternative combination: Ischyrotomus eugenei
Full reference: J. J. Burke. 1935. Fossil rodents from the Eocene Uinta Series. Annals of Carnegie Museum 25(2):5-12
Belongs to Pseudotomus according to R. H. Dunn and D. T. Rasmussen 2007
See also Burke 1935 and Storer 1984
Sister taxa: Pseudotomus californicus, Pseudotomus hians, Pseudotomus horribilis, Pseudotomus johanniculi, Pseudotomus littoralis, Pseudotomus petersoni, Pseudotomus robustus, Pseudotomus timmys
Type specimen: CM 11983, a mandible (both lower dentaries). Its type locality is West Fork of Antelope Draw, which is in an Uintan terrestrial horizon in the Uinta Formation of Utah.
Ecology: ground dwelling herbivore
Distribution:
• Eocene of Canada (1: Saskatchewan collection), United States (4: Utah)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.