AlectrosaurusvsHadrosaurus
Alectrosaurus has a higher Time Span (20 vs 4 Myr), while Hadrosaurus has a higher Length (9 vs 5 m), while Alectrosaurus has a higher Earliest Appearance (90 vs 78 Ma).
Physical Characteristics
5
Length
9
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
large theropod
Type
large ornithopod
Temporal Range
Late Cretaceous
Era
Late Cretaceous
90
Earliest Appearance
78
70
Latest Appearance
74
20
Time Span
4
80
Temporal Midpoint
76
Discovery
1,933
Year Discovered
1,858
China, Mongolia
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).