Prot-archaeopteryxvsSilvisaurus
Silvisaurus has a higher Time Span (9 vs 2 Myr), while Silvisaurus has a higher Length (4 vs 2 m), while Prot-archaeopteryx has a higher Latest Appearance (120 vs 112 Ma).
Physical Characteristics
2
Length
4
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
small theropod
Type
armoured dinosaur
Temporal Range
Early Cretaceous
Era
Early Cretaceous
122
Earliest Appearance
121
120
Latest Appearance
112
2
Time Span
9
121
Temporal Midpoint
117
Discovery
1,997
Year Discovered
1,960
China
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).