Pachycephalosaurus
ExploreAncient
Pachycephalosaurus
Pachycephalosaurus wyomingensis
Pachycephalosaurus was a prehistoric dinosaur known for its distinctive features. Scientists study its bones to learn about how dinosaurs lived.
Habitat: Mesozoic forests and floodplains
Appearance
The Pachycephalosaurus is a bipedal dinosaur defined by its enormous, bony dome-shaped skull, up to 10 inches thick. It had a relatively short, thick neck and a spiky fringe around the base of its dome, with small horn-like bumps on its snout.
KingdomAnimalia
Category
AncientRarity
Common
Danger
1/5 · Very low
Snaps
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Interesting facts
Its super thick skull was almost 10 inches deep!
Pachycephalosaurus means 'thick-headed lizard' in Greek!
Scientists found its fossils only in North America!
They might have used their domes for head-butting contests!
Special abilities
Ability
Dome Defender
Pachycephalosaurus has an incredibly thick, bony skull that helps them protect their brain or impress rivals.
Ability
Head-Butt Hurler
Pachycephalosaurus can charge at great speed because of their strong legs and sturdy dome for defense or display.
Ability
Speedy Scrambler
Pachycephalosaurus can move quickly on two powerful legs that helps them escape from fast predators.
Measurements & details
- Estimated Length
- 4.5-5 m
- Estimated Weight
- 400-475 kg
- Era
- Late Cretaceous Period
- Extinct Millions Years Ago
- 66
Diet & Feeding
This plant-eating dinosaur nibbled on leaves, fruits, and seeds from low-growing plants.
Primary Foods
- Ferns
- Cycads
- Flowering plant leaves
- Fruits
- Seeds
Foraging Method
- Foraging
Ecological connections
eaten by
Tyrannosaurus rex
Tyrannosaurus rex
Apex predator in its habitat.
eaten by
Dakotaraptor
Dakotaraptor steini
Large raptor that might have preyed on juveniles.
depends on
Ancient Sycamore Tree
Platanus nobilis
A source of various leaves and buds.
Traits
Ancient
Ancient refers to organisms, objects, or geological formations that have existed for an extremely long period.
Artifact
An artifact is an object made or modified by human culture, typically of historical or archaeological interest.
Fossil
A fossil is the preserved remains or traces of an ancient organism embedded in rock or other geological deposits.
Also known as
Thick-headed Lizard
Collections
Safety
Danger
1/5 · Very low
While extremely dangerous in their time, this creature is now extinct.
Frequently Asked Questions
How long is Pachycephalosaurus?
4.5-5 m
How much does Pachycephalosaurus weigh?
400-475 kg
What does Pachycephalosaurus eat?
This plant-eating dinosaur nibbled on leaves, fruits, and seeds from low-growing plants.
Where is Pachycephalosaurus usually found?
Mesozoic forests and floodplains
How does Pachycephalosaurus hunt?
Foraging
What geologic era did Pachycephalosaurus live in?
Late Cretaceous Period
When did Pachycephalosaurus go extinct?
66
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