Where: Sheridan County, Nebraska (42.7° N, 102.5° W: paleocoordinates 42.7° N, 102.3° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Pleistocene (2.6 - 0.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary 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 [J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 234742: authorized by Jonathan Marcot, entered by Jonathan Marcot on 11.05.2024

Creative Commons license: CC BY (attribution)