AlamosaurusvsMaiasaura
Alamosaurus has a higher Length (21 vs 9 m), while Maiasaura has a higher Time Span (5 vs 4 Myr), while Maiasaura has a higher Earliest Appearance (80 vs 70 Ma).
Physical Characteristics
21
Length
9
N/A
Weight
2,500
herbivorous
Diet
herbivorous
Classification
sauropod
Type
large ornithopod
Temporal Range
Late Cretaceous
Era
Late Cretaceous
70
Earliest Appearance
80
66
Latest Appearance
75
4
Time Span
5
68
Temporal Midpoint
78
Discovery
1,922
Year Discovered
1,979
USA
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).