AlectrosaurusvsTylocephale
Alectrosaurus has a higher Time Span (20 vs 3 Myr), while Alectrosaurus has a higher Length (5 vs 1 m), while Alectrosaurus has a higher Earliest Appearance (90 vs 75 Ma).
Physical Characteristics
5
Length
1
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
large theropod
Type
pachycephalosaur
Temporal Range
Late Cretaceous
Era
Late Cretaceous
90
Earliest Appearance
75
70
Latest Appearance
72
20
Time Span
3
80
Temporal Midpoint
74
Discovery
1,933
Year Discovered
1,974
China, Mongolia
Discovery Location
Mongolia
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).