AmmosaurusvsSonidosaurus
Ammosaurus has a higher Latest Appearance (180 vs 66 Ma), while Ammosaurus has a higher Temporal Midpoint (188 vs 78 Ma), while Ammosaurus has a higher Earliest Appearance (195 vs 89 Ma).
Physical Characteristics
5
Length
9
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
prosauropod
Type
sauropod
Temporal Range
Early Jurassic
Era
Late Cretaceous
195
Earliest Appearance
89
180
Latest Appearance
66
15
Time Span
23
188
Temporal Midpoint
78
Discovery
1,891
Year Discovered
2,006
USA
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).