UOMNH 3720 (Neogene to of the United States)

Where: Benton County, Washington (46.2° N, 119.3° W: paleocoordinates 46.1° N, 116.6° W)

• coordinate stated in text

When: Ringold Formation, Hemphillian to Hemphillian (10.3 - 4.9 Ma)

• Al- though the Ringold specimen could be younger, Tedford et al. (2004:218R) note that Aphelops mutilis first occurs in the Hh2 subage of the Hemphillian North American Land Mammal Age, correlated (their fig. 6.2) as between about 7.5 and 6.8 Ma.

Environment/lithology: terrestrial; fine-grained, brown, yellow, muddy siltstone

Size class: macrofossils

Primary reference: E. P. Gustafson. 2012. New records of rhinoceroses from the Ringold Formation of central Washington and the Hemphillian-Blancan boundary. Journal of Vertebrate Paleontology 32(3):727-731 [J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 157237: authorized by Jonathan Marcot, entered by Jonathan Marcot on 10.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Rhinocerotidae
Aphelops cf. mutilus Matthew 1924 rhinoceros