AllosaurusvsHerrerasaurus
Allosaurus has a higher Length (12 vs 3 m), while Herrerasaurus has a higher Latest Appearance (228 vs 145 Ma), while Herrerasaurus has a higher Temporal Midpoint (228 vs 149 Ma).
Physical Characteristics
12
Length
3
2,000
Weight
N/A
carnivorous
Diet
carnivorous
Classification
large theropod
Type
early dinosaur
Temporal Range
Late Jurassic
Era
Late Triassic
152
Earliest Appearance
228
145
Latest Appearance
228
7
Time Span
N/A
149
Temporal Midpoint
228
Discovery
1,877
Year Discovered
1,963
Portugal, USA
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).