Downsimus chadwicki Macdonald 1970 (rodent)

Mammalia - Rodentia - Allomyidae

Synonyms: Allomys sharpi Macdonald 1970, Downsimus sharpi Macdonald 1970

Full reference: J. R. Macdonald. 1970. Review of the Miocene Wounded Knee faunas of southwestern South Dakota. Bulletin of the Los Angeles County Museum of Natural History, Science 8:165-82

Belongs to Downsimus according to J. R. Macdonald 1970

See also Rensberger 1983 and Storer 2002

Sister taxa: none

Type specimens:

  • Downsimus chadwicki: Its type locality is Sharps (SDSM V-544), which is in a Geringian terrestrial horizon in the Sharps Formation of South Dakota
  • Allomys sharpi: Its type locality is Sharps (SDSM V-5361), which is in a Geringian terrestrial horizon in the Sharps Formation of South Dakota.

Ecology: ground dwelling herbivore

Distribution:

• Arikareean of United States (1: Nebraska collection)

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

Total: 6 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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