AlamosaurusvsSonidosaurus
Sonidosaurus has a higher Time Span (23 vs 4 Myr), while Alamosaurus has a higher Length (21 vs 9 m), while Sonidosaurus has a higher Earliest Appearance (89 vs 70 Ma).
Physical Characteristics
21
Length
9
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
sauropod
Type
sauropod
Temporal Range
Late Cretaceous
Era
Late Cretaceous
70
Earliest Appearance
89
66
Latest Appearance
66
4
Time Span
23
68
Temporal Midpoint
78
Discovery
1,922
Year Discovered
2,006
USA
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).