Arretotherium Douglass 1902 (anthracothere)

Mammalia - Artiodactyla - Anthracotheriidae

Full reference: E. Douglass. 1902. Fossil Mammalia of the White River beds of Montana. Transactions of the American Philosophical Society 20:237-279

Parent taxon: Anthracotheriidae according to Douglass 1901

See also Carroll 1988, McKenna and Bell 1997, Scott 1913 and Scott 1940

Sister taxa: Aepinacodon, Afromeryx, Ancodon, Anthracochoerus, Anthracosenex, Anthracotheriinae, Atopotherium, Bothriodontinae, Bugtitherium, Bunobrachyodus, Choeromeryx, Elliottherium, Elotherium, Gonotelma, Hemimeryx, Heothema, Huananothema, Kukusepasutanka, Masritherium, Merycops, Microbunodontinae, Pachychoerops, Parabrachyodus, Probrachyodus, Qatraniodon, Sivameryx, Telmatodon, Ulausuodon

Subtaxa: Arretotherium acridens Arretotherium fricki Arretotherium leptodus Arretotherium meridionale

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Type: Arretotherium acridens

Ecology: ground dwelling grazer

Distribution:

• Miocene of Canada (2: Saskatchewan collections), United States (6: Nebraska, South Dakota, Texas)

• Harrisonian of Canada (1: Saskatchewan), United States (4: Montana, Nebraska, South Dakota)

• Arikareean of Panama (1), United States (2: Nebraska, South Dakota)

• Oligocene of United States (2: South Dakota)

Total: 18 collections each including a single occurrence

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