AchelousaurusvsPachycephalo-saurus
Achelousaurus has a higher Time Span (13 vs 3 Myr), while Achelousaurus has a higher Length (6 vs 3 m), while Achelousaurus has a higher Earliest Appearance (83 vs 69 Ma).
Physical Characteristics
6
Length
3
N/A
Weight
450
herbivorous
Diet
herbivorous
Classification
ceratopsian
Type
pachycephalosaur
Temporal Range
Late Cretaceous
Era
Late Cretaceous
83
Earliest Appearance
69
70
Latest Appearance
66
13
Time Span
3
77
Temporal Midpoint
68
Discovery
1,995
Year Discovered
1,943
USA
Discovery Location
Canada, USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).