Mammalia - Theriamorpha - Periptychidae
Alternative combination: Gillisonchus oligistus
Full reference: C. L. Gazin. 1941. The mammalian faunas of the Paleocene of central Utah, with notes on the geology. Proceedings of the United States National Museum 91(3121):1-53
Belongs to Anisonchus according to C. L. Gazin 1941
See also Cifelli et al. 1999 and Rigby 1981
Sister taxa: Anisonchus athelas, Anisonchus fortunatus, Anisonchus onostus, Anisonchus sectorius, Anisonchus willeyi
Type specimen: USNM 16192, a partial skull (Left maxillary portion with M1 and M2 associated portion of left ramus of mandible). Its type locality is Wagonroad Lower Horizon, which is in a Puercan terrestrial horizon in the North Horn Formation of Utah.
Ecology: ground dwelling herbivore
Distribution:
• Paleocene of Canada (1: Saskatchewan collection), United States (5: Montana, Utah)
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.