AlamosaurusvsAlectrosaurus
Alectrosaurus has a higher Time Span (20 vs 4 Myr), while Alamosaurus has a higher Length (21 vs 5 m), while Alectrosaurus has a higher Earliest Appearance (90 vs 70 Ma).
Physical Characteristics
21
Length
5
N/A
Weight
N/A
herbivorous
Diet
carnivorous
Classification
sauropod
Type
large theropod
Temporal Range
Late Cretaceous
Era
Late Cretaceous
70
Earliest Appearance
90
66
Latest Appearance
70
4
Time Span
20
68
Temporal Midpoint
80
Discovery
1,922
Year Discovered
1,933
USA
Discovery Location
China, Mongolia
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).