OuranosaurusvsStygimoloch
Ouranosaurus has a higher Time Span (15 vs 1 Myr), while Ouranosaurus has a higher Length (7 vs 3 m), while Ouranosaurus has a higher Earliest Appearance (115 vs 67 Ma).
Physical Characteristics
7
Length
3
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
large ornithopod
Type
pachycephalosaur
Temporal Range
Early Cretaceous
Era
Late Cretaceous
115
Earliest Appearance
67
100
Latest Appearance
66
15
Time Span
1
108
Temporal Midpoint
67
Discovery
1,976
Year Discovered
1,983
Niger
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).