Mammalia - Rodentia - Ischyromyidae
Full reference: W. W. Korth, C. A. Boyd, J. J. Person and D. Anderson. 2022. Fossil mammals from ant mounds situated on exposures of the Big Cottonwood Creek Member of the Chadron Formation (latest Eocene - Early Oligocene), Sioux County, Nebraska. Paludicola 13(4):191-344
Belongs to Ischyromys according to W. W. Korth et al. 2022
Sister taxa: Ischyromys blacki, Ischyromys douglassi, Ischyromys junctus, Ischyromys parvidens, Ischyromys typus, Ischyromys typus nanus, Ischyromys veterior
Type specimen: SDSM 155929, 156085, a tooth. Its type locality is Arner Ranch ant mounds, which is in a Chadronian/Orellan terrestrial horizon in the Chadron Formation of Nebraska.
Ecology: ground dwelling herbivore
Distribution: found only at Arner Ranch ant mounds
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.