ArchaeopteryxvsProtohadros
Protohadros has a higher Length (6 vs 1 m), while Archaeopteryx has a higher Latest Appearance (145 vs 94 Ma), while Archaeopteryx has a higher Temporal Midpoint (147 vs 97 Ma).
Physical Characteristics
1
Length
6
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
small theropod
Type
large ornithopod
Temporal Range
Late Jurassic
Era
Late Cretaceous
149
Earliest Appearance
99
145
Latest Appearance
94
4
Time Span
5
147
Temporal Midpoint
97
Discovery
1,861
Year Discovered
1,998
Germany
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).