ArchaeopteryxvsSecernosaurus
Secernosaurus has a higher Length (3 vs 1 m), while Archaeopteryx has a higher Latest Appearance (145 vs 66 Ma), while Archaeopteryx has a higher Temporal Midpoint (147 vs 69 Ma).
Physical Characteristics
1
Length
3
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
small theropod
Type
large ornithopod
Temporal Range
Late Jurassic
Era
Late Cretaceous
149
Earliest Appearance
71
145
Latest Appearance
66
4
Time Span
5
147
Temporal Midpoint
69
Discovery
1,861
Year Discovered
1,979
Germany
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).