AllosaurusvsSaurolophus
Allosaurus has a higher Latest Appearance (145 vs 70 Ma), while Allosaurus has a higher Temporal Midpoint (149 vs 72 Ma), while Allosaurus has a higher Earliest Appearance (152 vs 74 Ma).
Physical Characteristics
12
Length
9
2,000
Weight
N/A
carnivorous
Diet
herbivorous
Classification
large theropod
Type
large ornithopod
Temporal Range
Late Jurassic
Era
Late Cretaceous
152
Earliest Appearance
74
145
Latest Appearance
70
7
Time Span
4
149
Temporal Midpoint
72
Discovery
1,877
Year Discovered
1,912
Portugal, USA
Discovery Location
Canada, Mongolia
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).