AlamosaurusvsPachycephalo-saurus
Alamosaurus has a higher Length (21 vs 3 m), while Alamosaurus has a higher Time Span (4 vs 3 Myr), while Alamosaurus has a higher Earliest Appearance (70 vs 69 Ma).
Physical Characteristics
21
Length
3
N/A
Weight
450
herbivorous
Diet
herbivorous
Classification
sauropod
Type
pachycephalosaur
Temporal Range
Late Cretaceous
Era
Late Cretaceous
70
Earliest Appearance
69
66
Latest Appearance
66
4
Time Span
3
68
Temporal Midpoint
68
Discovery
1,922
Year Discovered
1,943
USA
Discovery Location
Canada, USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).