Stygimoloch
Order: Ornithischia · Suborder: Marginocephalia · Infraorder: Pachycephalosauria · Family: Pachycephalosauridae
Stygimoloch received its name from the unusual appearance of its skull, which is adorned with three or four massive spikes, the largest of which was about 4 inches (100 mm) long. Like otherpachycephalosaurs, Stygimoloch may have used its horns in butting heads with rivals, like present-day Bighorn sheep.
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Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.
Frequently asked questions
What does Stygimoloch mean?
The name Stygimoloch means “Demon from the River Styx”. It is pronounced STIG-ih-MOE-lock.
When did Stygimoloch live?
Stygimoloch lived during the Late Cretaceous.
Was Stygimoloch a carnivore or a herbivore?
Stygimoloch was a herbivore.
How big was Stygimoloch?
Stygimoloch was about 6.6 feet (2 meters) long, around 4 feet (1.2 meters) tall.
Related dinosaurs
Other dinosaurs from the Pachycephalosauridae family.
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