Full reference: T. Mörs and D. C. Kalthoff. 2004. A new species of Karydomys (Rodentia, Mammalia) and a systematic re-evaluation of this rare Eurasian Miocene hamster. Palaeontology 47(6):1387-1405
Type specimen: IPB-HaH 5297, a tooth (M1 sup. sin.). Its type locality is Hambach mine horizon 6C, which is in a MN 5 paralic lignite/claystone in the Ville Formation of Germany.
Ecology: ground dwelling herbivore