AlectrosaurusvsMaiasaura
Alectrosaurus has a higher Time Span (20 vs 5 Myr), while Maiasaura has a higher Length (9 vs 5 m), while Alectrosaurus has a higher Earliest Appearance (90 vs 80 Ma).
Physical Characteristics
5
Length
9
N/A
Weight
2,500
carnivorous
Diet
herbivorous
Classification
large theropod
Type
large ornithopod
Temporal Range
Late Cretaceous
Era
Late Cretaceous
90
Earliest Appearance
80
70
Latest Appearance
75
20
Time Span
5
80
Temporal Midpoint
78
Discovery
1,933
Year Discovered
1,979
China, Mongolia
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).