†Downsimus chadwicki Macdonald 1970 (rodent)
Click image to enlarge. Click to access iDigBio record.
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
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.