Full reference: J. Leidy. 1858. Notice of Remains of Extinct Vertebrata, from the Valley of the Niobrara River, Collected during the Exploring Expedition of 1857, in Nebraska, under the Command of Lieut. G. K. Warren, U. S. Top. Eng., by Dr. F. V. Hayden, Geologist to the Expedition. Proceedings of the Academy of Natural Sciences of Philadelphia 10:15-89
Type specimen: ANSP 10868, ANSP 10867, NM 156, a mandible. Its type locality is Niobrara River (coll. Hayden 1857), which is in a Miocene terrestrial horizon in the Loop Fork Formation of Nebraska.
Ecology: ground dwelling herbivore
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.