Mammal
Hyaenodon gigas
Hyaenodon gigasAlso known as Giant Hyaenodon
Hyaenodon gigas was one of the largest carnivorous mammals of the Oligocene epoch, dominating ancient Central Asian ecosystems as an apex predator. It possessed exceptionally powerful jaws lined with self-sharpening carnassial teeth capable of slicing flesh and crushing thick bone. Long-legged yet heavily built, this massive hunter likely relied on ambush tactics across open scrublands to take down substantial herbivorous mammals.
Apex PredatorCarnivore
—observations
—countries
—peak records
ExtinctConservation statusIUCN Red List categoriesLCNTVUENCREWEXExtinctRed List categories, explained →
Diet & preyParaceratherium calves, Entelodonts, Early chalicotheres
ThreatsOligocene climate cooling, habitat loss, and faunal turnover
HabitatsSemi-arid plains, scrublands, and open savannah-woodlands
Life span15–25 years (estimated)
Classification
- FamilyHyaenodontidae
- GenusHyaenodon
- SpeciesHyaenodon gigas
Range data is not available yet.
Interaction riskHigh
- Low
- Moderate
- High
- Very high
- Why interaction risk is high
- Extinct prehistoric species; safe to observe as museum fossil specimens.
Responsible observation
- Museum Observation: Examine the heavy carnassial shearing teeth and robust skull construction in fossil displays.
- Geological Context: Seek specimens from Oligocene deposits such as the Hsanda Gol Formation of Mongolia.
Prey MikSed / CC BY-SA 4.0 · cc-by-sa
Competitor Didier Descouens / CC BY-SA 4.0 · cc-by-sa
Close Relative Daderot / CC0 · cc0
Image unavailableClose Relative
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