PolacanthusvsSinornithosaurus
Polacanthus has a higher Length (5 vs 2 m), while Sinornithosaurus has a higher Year Discovered (1,999 vs 1,881), while Polacanthus has a higher Latest Appearance (125 vs 120 Ma).
Physical Characteristics
5
Length
2
N/A
Weight
N/A
herbivorous
Diet
carnivorous
Classification
armoured dinosaur
Type
small theropod
Temporal Range
Early Cretaceous
Era
Early Cretaceous
125
Earliest Appearance
122
125
Latest Appearance
120
N/A
Time Span
2
125
Temporal Midpoint
121
Discovery
1,881
Year Discovered
1,999
England, UnitedKingdom
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).