AllosaurusvsAlvarezsaurus
Allosaurus has a higher Length (12 vs 2 m), while Allosaurus has a higher Time Span (7 vs 4 Myr), while Allosaurus has a higher Earliest Appearance (152 vs 89 Ma).
Physical Characteristics
12
Length
2
2,000
Weight
N/A
carnivorous
Diet
carnivorous
Classification
large theropod
Type
small theropod
Temporal Range
Late Jurassic
Era
Late Cretaceous
152
Earliest Appearance
89
145
Latest Appearance
85
7
Time Span
4
149
Temporal Midpoint
87
Discovery
1,877
Year Discovered
1,991
Portugal, USA
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).