HadrosaurusvsIrritator
Irritator has a higher Time Span (13 vs 4 Myr), while Irritator has a higher Earliest Appearance (112 vs 78 Ma), while Irritator has a higher Temporal Midpoint (106 vs 76 Ma).
Physical Characteristics
9
Length
7
N/A
Weight
N/A
herbivorous
Diet
carnivorous
Classification
large ornithopod
Type
large theropod
Temporal Range
Late Cretaceous
Era
Early Cretaceous
78
Earliest Appearance
112
74
Latest Appearance
99
4
Time Span
13
76
Temporal Midpoint
106
Discovery
1,858
Year Discovered
1,996
USA
Discovery Location
Brazil
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).