HadrosaurusvsOuranosaurus
Ouranosaurus has a higher Time Span (15 vs 4 Myr), while Ouranosaurus has a higher Earliest Appearance (115 vs 78 Ma), while Ouranosaurus has a higher Temporal Midpoint (108 vs 76 Ma).
Physical Characteristics
9
Length
7
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
large ornithopod
Type
large ornithopod
Temporal Range
Late Cretaceous
Era
Early Cretaceous
78
Earliest Appearance
115
74
Latest Appearance
100
4
Time Span
15
76
Temporal Midpoint
108
Discovery
1,858
Year Discovered
1,976
USA
Discovery Location
Niger
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).