DryosaurusvsHadrosaurus
Dryosaurus has a higher Time Span (15 vs 4 Myr), while Hadrosaurus has a higher Length (9 vs 4 m), while Dryosaurus has a higher Earliest Appearance (155 vs 78 Ma).
Physical Characteristics
4
Length
9
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
small ornithopod
Type
large ornithopod
Temporal Range
Late Jurassic
Era
Late Cretaceous
155
Earliest Appearance
78
140
Latest Appearance
74
15
Time Span
4
148
Temporal Midpoint
76
Discovery
1,894
Year Discovered
1,858
Tanzania, USA
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).