AllosaurusvsSecernosaurus
Allosaurus has a higher Length (12 vs 3 m), while Allosaurus has a higher Latest Appearance (145 vs 66 Ma), while Allosaurus has a higher Temporal Midpoint (149 vs 69 Ma).
Physical Characteristics
12
Length
3
2,000
Weight
N/A
carnivorous
Diet
herbivorous
Classification
large theropod
Type
large ornithopod
Temporal Range
Late Jurassic
Era
Late Cretaceous
152
Earliest Appearance
71
145
Latest Appearance
66
7
Time Span
5
149
Temporal Midpoint
69
Discovery
1,877
Year Discovered
1,979
Portugal, USA
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).