Aphelops is an extinct genus of rhinoceros

Rhinoceros

Rhinoceros , also known as rhino, is a group of five extant species of odd-toed ungulates in the family Rhinocerotidae. Two of these species are native to Africa and three to southern Asia....

 endemic to North America

North America

North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

 during the Miocene

Miocene

The Miocene is a geological epoch of the Neogene Period and extends from about . The Miocene was named by Sir Charles Lyell. Its name comes from the Greek words and and means "less recent" because it has 18% fewer modern sea invertebrates than the Pliocene. The Miocene follows the Oligocene...

 through the Pliocene

Pliocene

The Pliocene Epoch is the period in the geologic timescale that extends from 5.332 million to 2.588 million years before present. It is the second and youngest epoch of the Neogene Period in the Cenozoic Era. The Pliocene follows the Miocene Epoch and is followed by the Pleistocene Epoch...

, living from 20.43—5.330 mya, existing for approximately .

Taxonomy

Aphelops was named by Owen (1845) with species attributed to Cope 1873 and Cope 1874. It was assigned to Aceratheriinae

Aceratheriinae

Aceratheriinae is an extinct subfamily of rhinoceros endemic to Asia, Africa, Europe, and North America during the Oligocene through Pliocene living from 33.9—3.4 mya, existing for approximately .It consists of 6 genera:...

by Prothero (1998); and to Rhinocerotidae by Owen (1845), Carroll (1988) and Hulbert and Whitmore (2006).

Body mass

Five specimens were examined by M. Mendoza, C. M. Janis, and P. Palmqvist. The results were:

• Specimen 1: 265.7 kg (585.8 lb)
• Specimen 2: 474 kg (1,045 lb)
• Specimen 3: 3327.5 kg (7,335.9 lb)
• Specimen 4: 1283.3 kg (2,829.2 lb)
• Specimen 5: 261.9 kg (577.4 lb)