Alternative combination: Peromyscus longidens
Synonyms: Copemys niobrariensis Hoffmeister 1959, Miochomys niobrariensis Hoffmeister 1959
Full reference: E. R. Hall. 1930. Rodents and lagomorphs from the Barstow Beds of southern California. University of California Publications, Bulletin of the Department of Geological Sciences 19(13):313-318
- Copemys longidens: UCCVP 28502, a partial skull (with M1 and mandible dext. carrying complete dentition). Its type locality is Rodent Hill, which is in a Barstovian terrestrial horizon in the Barstow Formation of California.
- Miochomys niobrariensis: UCMP 36103, a maxilla (fragment maxilla sin. with M1). Its type locality is Fort Niobrara, which is in a Barstovian terrestrial horizon in the Valentine Formation of Nebraska.
Ecology: ground dwelling herbivore
• Miocene of United States (20: California collections)
Total: 20 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.