Mammalia - Rodentia - Ischyromyidae
Alternative combination: Titanotheriomys douglassi
Full reference: C. C. Black. 1968. The Oligocene rodent Ischyromys and discussion of the family Ischyromyidae. Annals of Carnegie Museum 39(18)
Belongs to Ischyromys according to D. Lofgren et al. 2020
See also Black 1968, Heaton 1996, Korth 1994, Wood 1976 and Wood 1980
Sister taxa: Ischyromys blacki, Ischyromys brevidens, Ischyromys junctus, Ischyromys parvidens, Ischyromys typus, Ischyromys typus nanus, Ischyromys veterior
Type specimen: CM 1122, a partial skull (partial skull lacking parietals, left bulla, occiput, left P3 and M3.). Its type locality is McCarty's Mountain, which is in a Chadronian wet floodplain tuff in the Chadron Formation of Montana.
Ecology: ground dwelling herbivore
Distribution:
• Eocene of United States (6: Colorado, Montana, Nebraska collections)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.