AllosaurusvsPolacanthus
Allosaurus has a higher Length (12 vs 5 m), while Allosaurus has a higher Earliest Appearance (152 vs 125 Ma), while Allosaurus has a higher Temporal Midpoint (149 vs 125 Ma).
Physical Characteristics
12
Length
5
2,000
Weight
N/A
carnivorous
Diet
herbivorous
Classification
large theropod
Type
armoured dinosaur
Temporal Range
Late Jurassic
Era
Early Cretaceous
152
Earliest Appearance
125
145
Latest Appearance
125
7
Time Span
N/A
149
Temporal Midpoint
125
Discovery
1,877
Year Discovered
1,881
Portugal, USA
Discovery Location
England, UnitedKingdom
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).