Hemipsalodon
Sign in to saveHemipsalodon ("half-scissor tooth") is an extinct genus of hyainailourid hyaenodonts from the subfamily Hyainailourinae that lived in North America during the middle to late Eocene. H. grandis was the largest hyaenodont found in North America, weighing .
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Hemipsalodon ("half-scissor tooth") is an extinct genus of hyainailourid hyaenodonts from the subfamily Hyainailourinae that lived in North America during the middle to late Eocene. H. grandis was the largest hyaenodont found in North America, weighing .
== Description == The skull of Hemipsalodon grandis is in length, with a lower jaw length of . The most complete skull (O.M.S.I. No. 619), belonged to an old individual. It is powerfully-built, and overall superficially resembles the mesonychid Harpagolestes. The nasal opening is quite large. The canines are greatly enlarged. The anterior portion of the skull is broad anteriorly, but narrows down considerably posteriorly. H. grandis was estimated to have weigjed , making it the largest hyaenodont to roam North America.