NigersaurusvsPachycephalo-saurus
Nigersaurus has a higher Time Span (22 vs 3 Myr), while Nigersaurus has a higher Length (15 vs 3 m), while Nigersaurus has a higher Earliest Appearance (121 vs 69 Ma).
Physical Characteristics
15
Length
3
N/A
Weight
450
herbivorous
Diet
herbivorous
Classification
sauropod
Type
pachycephalosaur
Temporal Range
Early Cretaceous
Era
Late Cretaceous
121
Earliest Appearance
69
99
Latest Appearance
66
22
Time Span
3
110
Temporal Midpoint
68
Discovery
1,999
Year Discovered
1,943
Algeria, Niger, Tunisia
Discovery Location
Canada, USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).