AllosaurusvsBactrosaurus
Allosaurus has a higher Latest Appearance (145 vs 71 Ma), while Allosaurus has a higher Length (12 vs 6 m), while Allosaurus has a higher Temporal Midpoint (149 vs 78 Ma).
Physical Characteristics
12
Length
6
2,000
Weight
N/A
carnivorous
Diet
herbivorous
Classification
large theropod
Type
large ornithopod
Temporal Range
Late Jurassic
Era
Late Cretaceous
152
Earliest Appearance
84
145
Latest Appearance
71
7
Time Span
13
149
Temporal Midpoint
78
Discovery
1,877
Year Discovered
1,933
Portugal, USA
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).