AlectrosaurusvsParasaurolophus
Alectrosaurus has a higher Time Span (20 vs 4 Myr), while Parasaurolophus has a higher Length (9 vs 5 m), while Alectrosaurus has a higher Earliest Appearance (90 vs 77 Ma).
Physical Characteristics
5
Length
9
N/A
Weight
5,000
carnivorous
Diet
herbivorous
Classification
large theropod
Type
large ornithopod
Temporal Range
Late Cretaceous
Era
Late Cretaceous
90
Earliest Appearance
77
70
Latest Appearance
73
20
Time Span
4
80
Temporal Midpoint
75
Discovery
1,933
Year Discovered
1,922
China, Mongolia
Discovery Location
Canada, USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).