Desmocyon thomsoni Matthew 1907 (bone-crushing dog)

Mammalia - Carnivora - Canidae

Alternative combinations: Cynodesmus thomsoni, Tomarctus thomsoni

Synonyms: Cormocyon regulus Cook and Macdonald 1962, Nothocyon regulus Cook and Macdonald 1962

Full reference: W. D. Matthew. 1907. A Lower Miocene fauna from South Dakota. Bulletin of the American Museum of Natural History 23(9):169-219

Belongs to Desmocyon according to X. Wang et al. 1999

See also Cook and Macdonald 1962, Macdonald 1963, Macdonald 1970, Matthew 1907, Olsen 1956, Wang 1994, Wang and Fremd 1994, Wang and Tedford 1992, Wang and Tedford 2008, White 1941 and White 1942

Sister taxa: Cynodesmus petersoni, Desmocyon matthewi

Type specimens:

  • Desmocyon thomsoni: Its type locality is AMNH Rosebud 24, which is in a Harrisonian terrestrial horizon in the Rosebud Formation of South Dakota
  • Nothocyon regulus: Its type locality is Syndyoceras Quarry, which is in a Harrisonian terrestrial horizon in the Harrison Formation of Nebraska.

Ecology: ground dwelling carnivore-omnivore


• Miocene of United States (11: California, Nebraska, New Mexico, Oregon, Wyoming collections)

• Harrisonian of United States (20: Nebraska, South Dakota, Wyoming)

• Arikareean of United States (2: Oregon, Wyoming)

Total: 33 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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