Mammalia - Artiodactyla - Merycoidodontidae
Alternative combinations: Promerycochoerus hatcheri, Promerycochoerus hollandi hatcheri
Synonyms: Desmatochoerus hesperus Stock 1930, Hypsiops erythroceps Stock 1932, Mesoreodon hesperus Stock 1930, Promerycochoerus erythroceps Stock 1932, Promerycochoerus hesperus Stock 1930, Promerycochoerus thorpei Koerner 1940
Full reference: E. Douglass. 1907. Some new merycoidodonts. Annals of Carnegie Museum 4:99-109
Belongs to Desmatochoerus according to M. S. Stevens et al. 2023
See also Douglass 1907, Koerner 1940, Lander 1983, Lander 1998, Macdonald 1970, Mason and Swisher 1989, Schultz and Falkenbach 1949, Schultz and Falkenbach 1950, Schultz and Falkenbach 1954, Stevens and Stevens 1996, Stirton 1960, Stock 1930, Stock 1932, Tabrum and Nichols 2001 and Thorpe 1937
Sister taxa: none
Type specimens:
- Desmatochoerus hatcheri: CM 1303, a skull (a nearly complete skull with the mandible)
- Promerycochoerus erythroceps: CIT 486, a partial skull (Anterior portion of skull with I1-I3 rt. and C(br.)-M1(br.) (P1-P3 br.)). Its type locality is Tecuya Canyon, which is in an Arikareean terrestrial horizon in the Tecuya Formation of California.
- Promerycochoerus hesperus: UCMP 27003, a mandible (Partial mandible with p1-m3 (p3, p4 and m1-2 br.)). Its type locality is UCMP loc. 7305, Gas Plant Canyon, South Mountain, which is in an Arikareean fluvial-lacustrine sandstone/mudstone in the Sespe Formation of California.
- Promerycochoerus thorpei: YPM 13959, a partial skull (Skull, lacking incisors and left zygomatic arch). Its type locality is Fort Logan, which is in an Arikareean terrestrial horizon in Montana.
Distribution:
• Miocene of United States (1: Montana collection)
• Arikareean of United States (8: California, Montana, Nebraska, Wyoming)
• Oligocene of United States (2: South Dakota)
Total: 11 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.