Mammalia - Creodonta - Oxyaenidae
Full reference: M. R. Dawson, R. K. Stucky, L. Krishtalka and C. C. Black. 1986. Machaeroides simpsoni, new species, oldest known sabertooth creodont (Mammalia), of the Lost Cabin Eocene. Contributions to Geology, University of Wyoming, Special Paper 3:177-182
Belongs to Machaeroides according to M. R. Dawson et al. 1986
Sister taxon: Machaeroides eothen
Type specimen: CM 45115, a partial skull (fragments of a skull includin4 parts of the palate, with incisors, canines, right P1-M2 and left P4-M2). Its type locality is K-7W, which is in a Lostcabinian terrestrial horizon in the Wind River Formation of Wyoming.
Ecology: ground dwelling carnivore
Distribution:
• Eocene of United States (3: Wyoming collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.