ArchaeopteryxvsPolacanthus
Polacanthus has a higher Length (5 vs 1 m), while Archaeopteryx has a higher Earliest Appearance (149 vs 125 Ma), while Archaeopteryx has a higher Temporal Midpoint (147 vs 125 Ma).
Physical Characteristics
1
Length
5
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
small theropod
Type
armoured dinosaur
Temporal Range
Late Jurassic
Era
Early Cretaceous
149
Earliest Appearance
125
145
Latest Appearance
125
4
Time Span
N/A
147
Temporal Midpoint
125
Discovery
1,861
Year Discovered
1,881
Germany
Discovery Location
England, UnitedKingdom
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).