ProtohadrosvsPsittacosaurus
Psittacosaurus has a higher Time Span (20 vs 5 Myr), while Protohadros has a higher Length (6 vs 2 m), while Psittacosaurus has a higher Earliest Appearance (120 vs 99 Ma).
Physical Characteristics
6
Length
2
N/A
Weight
50
herbivorous
Diet
herbivorous
Classification
large ornithopod
Type
ceratopsian
Temporal Range
Late Cretaceous
Era
Early Cretaceous
99
Earliest Appearance
120
94
Latest Appearance
100
5
Time Span
20
97
Temporal Midpoint
110
Discovery
1,998
Year Discovered
1,923
USA
Discovery Location
China, Mongolia, Russia
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).