Alternative combination: Lophiodon nanus
Synonyms: Helaletes boops Marsh 1872, Hyrachyus boops Marsh 1872
Full reference: O. C. Marsh. 1871. Notice of some new fossil mammals from the Tertiary Formation. American Journal of Science 2(7):35-44
- Helaletes nanus: YPM 11080, a maxilla (fragments of both upper jaws with all the cheek-teeth represented on the right side). Its type locality is Grizzly Buttes, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
- Helaletes boops: YPM 11807, a partial skeleton (considerable portion of the skull, lower jaws and other fragments of the skeleton). Its type locality is Grizzly Buttes, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
Ecology: ground dwelling browser
Total: 19 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.