ProtohadrosvsSilvisaurus
Silvisaurus has a higher Time Span (9 vs 5 Myr), while Protohadros has a higher Length (6 vs 4 m), while Silvisaurus has a higher Earliest Appearance (121 vs 99 Ma).
Physical Characteristics
6
Length
4
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
large ornithopod
Type
armoured dinosaur
Temporal Range
Late Cretaceous
Era
Early Cretaceous
99
Earliest Appearance
121
94
Latest Appearance
112
5
Time Span
9
97
Temporal Midpoint
117
Discovery
1,998
Year Discovered
1,960
USA
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).