AllosaurusvsPachycephalo-saurus
Allosaurus has a higher Weight (2,000 vs 450 kg), while Allosaurus has a higher Length (12 vs 3 m), while Allosaurus has a higher Time Span (7 vs 3 Myr).
Physical Characteristics
12
Length
3
2,000
Weight
450
carnivorous
Diet
herbivorous
Classification
large theropod
Type
pachycephalosaur
Temporal Range
Late Jurassic
Era
Late Cretaceous
152
Earliest Appearance
69
145
Latest Appearance
66
7
Time Span
3
149
Temporal Midpoint
68
Discovery
1,877
Year Discovered
1,943
Portugal, USA
Discovery Location
Canada, USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).