Mammalia - Artiodactyla - Merycoidodontidae

Alternative combination: Pseudomesoreodon rooneyi

Full reference: C. B. Schultz and C. H. Falkenbach. 1950. Phenacocoelinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 95(3)

Belongs to Hypsiops according to M. S. Stevens et al. 2023

See also Lander 1998 and Schultz and Falkenbach 1950

Sister taxa: Hypsiops brachymelis, Hypsiops latidens

Type specimen: F:AM 44948A, a skull (Skull with I1-M3). Its type locality is Grasshopper Creek, which is in a Harrisonian terrestrial horizon in Montana.

Distribution: found only at Grasshopper Creek

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Specimen images are retrieved through the ePANDDA API.