IrritatorvsPsittacosaurus
Irritator has a higher Length (7 vs 2 m), while Psittacosaurus has a higher Time Span (20 vs 13 Myr), while Psittacosaurus has a higher Earliest Appearance (120 vs 112 Ma).
Physical Characteristics
7
Length
2
N/A
Weight
50
carnivorous
Diet
herbivorous
Classification
large theropod
Type
ceratopsian
Temporal Range
Early Cretaceous
Era
Early Cretaceous
112
Earliest Appearance
120
99
Latest Appearance
100
13
Time Span
20
106
Temporal Midpoint
110
Discovery
1,996
Year Discovered
1,923
Brazil
Discovery Location
China, Mongolia, Russia
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).